MALLON RESOURCES CORP
8-K, 1996-03-27
CRUDE PETROLEUM & NATURAL GAS
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                  SECURITIES AND EXCHANGE COMMISSION
                       Washington, D. C.  20549

                               Form 8-K
            Current Report Pursuant to Section 13 or 15(d)
                   of The Securities Act of 1934

Date of Report (date of earliest event reported):  March 20, 1996

                     Mallon Resources Corporation
        (exact name of registrant as specified in its charter)

     Colorado               0-17267                   84-1095959
 (State or other          (Commission             (I.R.S. Employer
   jurisdiction            File Number)          Identification No.)
  of incorporation)

     999 18th Street, Suite 1700, Denver, Colorado          80202
       (address of principal executive offices)           (zip code)

Registrant's telephone number, including area code:  (303) 293-2333

                          not applicable
     (former name or former address, if changed since last report)

Item 5.  Other Events

On March 20, 1996, Mallon Oil Company ("MOC"), a wholly owned 
subsidiary of Mallon Resources Corporation (the "Company"), 
established a $35,000,000 Revolving Line of Credit with Bank One, 
Texas, with an initial borrowing base of $10.5 million.  Funds drawn 
under the line are available for general corporate purposes, and the 
first $10.2 million drawn went to retire a credit line from Midland 
Bank, PLC, a unit of Hong Kong Shanghai Banking Corporation.  In 
addition to the Revolving Line, in order to finance the continuation 
of MOC's development drilling program in southeast New Mexico, MOC and 
Bank One also put in place a $2,000,000 Advance Line of Credit.

The credit lines are collateralized by substantially all of MOC's oil 
and gas properties, and the Company has guaranteed MOC's performance 
thereunder.

All of the terms of the credit lines are set forth in the documents 
included as Exhibits to this Periodic Report on Form 8-K, which are 
hereby incorporated by reference as a part of this Report.

Item 7.  Financial Statements and Exhibits

(c)  Exhibits.

10.58  Bank One -- Loan Agreement dated March 20, 1996
10.59  Bank One -- $35,000,000 Promissory Note dated March 20, 1996
10.60  Bank One -- $2,000,000 Advance Promissory Note dated March 20,
                       1996
10.61  Bank One -- Mortgage dated March 20, 1996
10.62  Bank One -- Guaranty dated March 20, 1996

                              Signatures

     Pursuant to the requirements of the Securities Exchange act of 
1934, the registrant has duly caused this report to be signed on its 
behalf by the undersigned hereunto duly authorized.

                         Mallon Resources Corporation

March 20, 1996             /s/ Roy K. Ross
                         Roy K. Ross, Executive Vice President




                         LOAN AGREEMENT

                             BETWEEN

                       MALLON OIL COMPANY
                          ("Borrower")

                               AND

                      BANK ONE, TEXAS, N.A.
                            ("Bank")

                         March 20, 1996


                         LOAN AGREEMENT
                        TABLE OF CONTENTS

                                                              Page

1.  Definitions                                                1

2.  Commitments of the Bank                                    9
    (a)   Revolving Commitment                                 9
    (b)   Advance Line of Credit                               9
    (c)   Procedure for Borrowing                              9
    (d)   Monthly Reduction of Revolving Commitment           10
    (e)   Voluntary Reduction of Revolving Commitment 
             and the Advance Line of Credit                   10

3.  Notes Evidencing Loans                                    10
    (a)   Form of Revolving Note                              10
    (b)   Form of Advance Note                                11
    (c)   Interest Rate on the Notes                          11
    (d)   Payment of Interest on the Revolving Note           11
    (e)   Payment of the Principal of the Revolving Note      11
    (f)   Payment on Principal and Interest on the Advance Note 11
    (g)   General                                             11

4.  Interest Rates                                            12
    (a)   Options For Revolving Loan                          12
    (b)   Interest Rate Determination                         13
    (c)   Conversion Option                                   13
    (d)   Advance Loan                                        13
    (e)   Recoupment                                          13

5.  Special Provisions Relating to Eurodollar Loans           14
    (a)   Unavailability of Funds or Inadequacy of Pricing    14
    (b)   Reserve Requirements                                14
    (c)   Taxes                                               14
    (d)   Change in Laws                                      15
    (e)   Option to Fund                                      15
    (f)   Indemnity                                           16
    (g)   Payments Not at End of Interest Period              16

6.  Collateral Security                                       16

7.  Borrowing Base                                            17
    (a)   Initial Borrowing Base                              17
    (b)   Subsequent Determinations of Borrowing Base         17

8.  Fees                                                      18
    (a)   Unused Portion Fee                                  18
    (b)   Commitment Fee                                      19
    (c)   Facility Fee                                        19
    (d)   Borrowing Base Increase Fee                         19

9.  Prepayments                                               19
    (a)  Voluntary Prepayments of Notes                       19
    (b)  Mandatory Prepayment of Revolving Note               19
    (c)  Mandatory Prepayment of Advance Line of Credit       20

10.  Representations and Warranties                           20
    (a)  Corporate Existence                                  20
    (b)  Corporate Power and Authorization                    20
    (c)  Guarantor                                            20
    (d)  Binding Obligations                                  21
    (e)  No Legal Bar or Resultant Lien                       21
    (f)  No Consent                                           21
    (g)  Financial Condition                                  21
    (h)  Liabilities                                          21
    (i)  Litigation                                           22
    (j)  Taxes; Governmental Charges                          22
    (k)  Titles, Etc.                                         22
    (l)  Defaults                                             22
    (m)  Casualties; Taking of Properties                     22
    (n)  Use of Proceeds; Margin Stock                        22
    (o)  Location of Business and Offices                     23
    (p)  Compliance with the Law                              23
    (q)  No Material Misstatements                            23
    (r)  Not A Utility                                        23
    (s)  ERISA                                                24
    (t)  Public Utility Holding Company Act                   24
    (u)  Subsidiaries                                         24
    (v)  Environmental Matters                                24
    (w)  Liens                                                24

11.  Conditions of Lending                                    24

12.   Affirmative Covenants                                  26
     (a)  Financial Statements and Reports                   27
     (b)  Certificates of Compliance                         28
     (c)  Accountants' Certificate                           28
     (d)  Taxes and Other Liens                              28
     (e)  Compliance with Laws                               29
     (f)  Further Assurances                                 29
     (g)  Performance of Obligations                         29
     (h)  Insurance                                          29
     (i)  Accounts and Records                               30
     (j)  Right of Inspection                                30
     (k)  Notice of Certain Events                           31
     (l)  ERISA Information and Compliance                   31
     (m)  Environmental Reports and Notices                  31
     (n)  Maintenance                                        31
     (o)  Operation of Properties                            32
     (p)  Compliance with Leases and Other Instruments       32
     (q)  Certain Additional Assurances Regarding Main-
             tenance and Operations of Properties            33
     (r)  Title Matters                                      33
     (s)  Curative Matters                                   33
     (t)  Change of Principal Place of Business              33

13.  Negative Covenants                                         33
     (a)  Liens                                                 34
     (b)  Consolidations, Mergers and Sales of Assets           34
     (c)  Current Ratio                                         34
     (d)  Debt Service Ratio                                    34
     (e)  Minimum Tangible Net Worth                            34
     (f)  Total Bank Debt                                       34
     (g)  Debts, Guaranties and Other Obligations               34
     (h)  Dividends                                             35
     (i)  Loans and Advances                                    35
     (j)  Investments                                           36
     (k)  Sale or Discount of Receivables                       36
     (l)  Nature of Business                                    36
     (m)  Hedging Transactions                                  36
     (n)  Amendment of Articles of Incorporation or Bylaws      37
     (o)  Sale of Assets                                        37
     (p)  Transactions with Affiliates                          37

14.   Events of Default                                         37

15.   Exercise of Rights                                        39

16.   Notices                                                   40

17.   Expenses                                                  40

18.   Indemnity                                                 40

19.   Invalid Provisions                                        41

20.   Maximum Interest Rate                                     41

21.   Amendments                                                42

22.   Multiple Counterparts                                     42

23.   Conflict                                                  42

24.   Survival                                                  42

25.   Parties Bound                                            42

26.   Participations                                           42

27.   Financial Terms                                          43

28.   Governing Law                                            43

29.   Choice of Forum: Consent to Service of Process and 
         Jurisdiction                                          43

30.   Other Agreements                                         44

EXHIBITS 
     Exhibit "A"     -     Notice of Borrowing
     Exhibit "B"     -      Revolving Note
     Exhibit "C"     -     Advance Note
     Exhibit "D"     -     Compliance Certificate

SCHEDULES 
     Schedule 1     -     Permitted Liens 
     Schedule 2     -     Financial Condition
     Schedule 3     -     Liabilities
     Schedule 4     -     Litigation
     Schedule 5     -     Subsidiaries
     Schedule 6     -     Environmental Matters
     Schedule 7     -     Title Matters
     Schedule 8     -     Curative Matters
     Schedule 9     -     Debts, Guarantees and other Obligations
     Schedule 10     -     Loans and Advances

                           LOAN AGREEMENT

     THIS LOAN AGREEMENT (hereinafter referred to as the 
"Agreement") executed as of the 20th day of March, 1996, between 
MALLON OIL COMPANY, a Colorado corporation (hereinafter referred to 
as the "Borrower"), MALLON RESOURCES CORPORATION, a Colorado 
corporation (hereinafter referred to as the "Guarantor") and BANK 
ONE, TEXAS, N.A., a national banking association (hereinafter 
sometimes referred to as "Bank").

     W I T N E S S E T H:

     WHEREAS, Borrower has requested that the Bank provide Borrower 
with a reducing revolving line of credit facility and an advance 
line of credit and Bank is willing to make such facilities 
available to Borrower.

     NOW, THEREFORE, in consideration of the mutual covenants and 
agreements herein contained, the parties hereto agree as follows:

     1.     Definitions.  When used herein the terms "Agreement," 
"Bank," "Borrower" and "Guarantor" shall have the meanings 
indicated above.  When used herein the following terms shall have 
the following meanings (all terms defined in this Section 1 or 
other provisions of this Agreement in the singular shall have the 
same meanings when used in the plural or vice versa):

        "Advance or Advances" shall mean a loan or loans hereunder.

        "Advance Line of Credit" shall mean the commitment 
contained in Section 2(b) hereof.

        "Advance Loan" shall mean loan or loans made under the 
Advance Line of Credit pursuant to Section 2(b) hereof.

        "Advance Loan Maturity Date" shall mean September 30, 1997.

        "Advance Note" shall mean the $2,000,000 Advance Note 
described in Section 3(b) hereof.

        "Affiliate" shall mean any Person which, directly or 
indirectly, controls, is controlled by or is under common control 
with the relevant Person.  For the purposes of this definition, 
"control" (including, with correlative meanings, the terms 
"controlled by" and "under common control with"), as used with 
respect to any Person, shall mean a member of the board of 
directors, a partner or an officer of such Person, or any other 
Person with possession, directly or indirectly, of the power to 
direct or cause the direction of the management and policies of 
such Person, through the ownership (of record, as trustee, or by 
proxy) of voting shares, partnership interests or voting rights, 
through a management contract or otherwise.  Any Person owning or 
controlling directly or indirectly ten percent or more of the 
voting shares, partnership interests or voting rights, or other 
equity interest of another Person shall be deemed to be an 
Affiliate of such Person.

        "Approved AFE" shall mean the AFE's for each well in the 
Drilling Program (as herein defined) which are approved by Bank 
prior to the Effective Date.

        "Base Rate" shall mean the fluctuating rate of interest per 
annum established from time to time by Bank as its Base Rate (which 
rate of interest may not be the lowest, best or most favorable rate 
of interest which Bank may charge on loans to its customers).  Each 
change in the Base Rate shall become effective without prior notice 
to Borrower automatically as of the opening of business on the date 
of such change in the Base Rate.

        "Base Rate Interest Period" shall mean with respect to any 
Base Rate Loan, the period ending on the last day of each month, 
provided, however, that (i) if any Base Rate Interest Period would 
end on a day which is not a Business Day, such Interest Period 
shall be extended to the next succeeding Business Day, and(ii) if 
any Base Rate Interest Period would otherwise end after the 
Maturity Date or the Advance Loan Maturity Date, as the case may 
be, such Interest Period shall end on the Maturity Date or the 
Advance Loan Maturity Date, as the case may be.

        "Base Rate Loan" shall mean any loan during any period 
which bears interest at the Base Rate plus the Base Rate Margin, or 
which would bear interest at such rate if the Maximum Rate ceiling 
was not in effect at a particular time.

        "Base Rate Margin" shall mean for the Revolving Commitment, 
three-fourths of one percent (.75%).

        "Borrowing Base" shall mean the value assigned by the Bank 
from time to time to the Oil and Gas Properties and other 
collateral in accordance with Section 7(b) hereof.  Until the next 
determination of the Borrowing Base pursuant to Section 7(b) hereof 
the Borrowing Base for the Revolving Commitment shall be 
$10,500,000.00.

        "Borrowing Date" shall mean the date elected by the 
Borrower pursuant to Section 2 hereof for an Advance on the 
Revolving Commitment or the Advance Line of Credit.

        "Business Day" shall mean the normal banking hours during 
any day (other than Saturdays or Sundays) that banks are legally 
open for business in Dallas, Texas.

        "Cash Flow" shall mean Borrower's Net Income or loss less 
preferred dividends plus non-cash charges, all as calculated in 
accordance with GAAP.

        "Change of Management" shall occur if George O. Mallon, Jr. 
or both Duane C. Knight, Jr. and Kevin M. Fitzgerald should cease 
to act as senior officers of Borrower.

        "Collateral" is used herein as defined in Section 6 hereof.

        "Contract Rate" shall mean the rate of interest per annum 
which Bank shall charge Borrower on the Advance Line of Credit, 
which rate shall be equal to the greater of (i) twelve and one-half 
percent (12.5%) per annum or (ii) the Base Rate plus four percent 
(4%) per annum.

        "Current Assets" shall mean the total of Borrower's current 
assets, determined in accordance with GAAP, plus current 
availability under the Revolving Commitment and the Advance Line of 
Credit.

        "Current Liabilities" shall mean the total of Borrower's 
current liabilities as determined in accordance with GAAP, 
excluding therefrom current maturities of the principal and 
interest due on the Revolving Commitment and the Advance Line of 
Credit.

        "Debt Service" shall mean Total Bank Debt divided by a 
number equal to the economic half life of the Oil and Gas 
Properties as determined by the Bank from time to time pursuant to 
Section 7(b).

        "Determination Date" is used herein as defined in Section 7 
hereof.

        "Drilling Program" shall mean the development drilling 
program proposed by Borrower and approved by Bank prior to the 
Effective Date.

        "Effective Date" shall mean the date of this Agreement.

        "Environmental Laws" shall mean the Comprehensive 
Environmental Response, Compensation and Liability Act of 1980, as 
amended by the Super Fund Amendments and Reauthorization Act of 
1986, 42 U.S.C.A. Section 9601, et seq., the Resource Conservation and 
Recovery Act, as amended by the Hazardous Solid Waste Amendment of 
1984, 42 U.S.C.A. Section 6901, et seq., the Clean Air Act, 42 U.S.C.A. 
Section 1251, et seq., the Toxic Substances Control Act, 15 U.S.C.A. 
Section 2601, et seq., The Oil Pollution Act of 1990, 33 U.S.G. Section 2701,
et seq., and all other laws, statutes, codes, acts, ordinances, 
orders, judgments, decrees, injunctions, rules, regulations, order 
and restrictions of any federal, state, county, municipal and other 
governments, departments, commissions, boards, agencies, courts, 
authorities, officials and officers, domestic or foreign, relating 
to air pollution, water pollution, noise control and/or the 
handling, discharge, disposal or recovery of on-site or off-site 
asbestos or "hazardous substances" as defined by 42 U.S.C. Section 9601, 
et seq., as amended, as each of the foregoing may be amended from 
time to time.

        "Environmental Liability" shall mean any claim, demand, 
obligation, cause of action, accusation, allegation, order, 
violation, damage, injury, judgment, penalty or fine, cost of 
enforcement, cost of remedial action or any other costs or expense 
whatsoever, including reasonable attorneys' fees and disbursements, 
resulting from the violation or alleged violation of any 
Environmental Law or the imposition of any Environmental Lien (as 
hereinafter defined).

        "Environmental Lien" shall mean a Lien in favor of any 
court, governmental agency or instrumentality or any other Person 
(i) for any Environmental Liability or (ii) for damages arising 
from or cost incurred by such court or governmental agency or 
instrumentality or other person in response to a release or 
threatened release of hazardous or toxic waste, substance or 
constituent into the environment.

        "ERISA" shall mean the Employee Retirement Income Security 
Act of 1974, as amended.

        "Eurodollar Business Day" shall mean a Business Day on 
which dealings in U.S. Dollar deposits are carried on in the London 
interbank market.

        "Eurodollar Interest Period" shall mean with respect to any 
Eurodollar Loan (i) initially, the period commencing on the date 
such Eurodollar Loan is made and ending one (1), two (2) or three 
(3) months thereafter and (ii) thereafter, each period commencing 
on the day following the last day of the next preceding Interest 
Period applicable to such Eurodollar Loan and ending one (1), two 
(2) or three (3) months thereafter; provided, however, that (i) if 
any Eurodollar Interest Period would otherwise expire on a day 
which is not a Eurodollar Business Day, such Interest Period shall 
expire on the next succeeding Eurodollar Business Day unless the 
result of such extension would be to extend such Interest Period 
into the next calendar month, in which case such Interest Period 
shall end on the immediately preceding Eurodollar Business Day, 
(ii) if any Eurodollar Interest Period begins on the last 
Eurodollar Business Day of a calendar month (or on a day for which 
there is no numerically corresponding day in the calendar month at 
the end of such Interest Period) such Interest Period shall end on 
the last Eurodollar Business Day of a calendar month, and (iii) any 
Eurodollar Interest Period which would otherwise expire after the 
Revolving Maturity Date shall end on such Revolving Maturity Date.  
Borrower shall not be permitted to have outstanding at any time 
more than three (3) Eurodollar Tranches.

        "Eurodollar Loan" shall mean any loan during any period 
which bears interest at the Eurodollar Rate, or which would bear 
interest at such rate if the Maximum Rate ceiling was not in effect 
at a particular time.

        "Eurodollar Margin" shall mean two and one-half percent 
(2.50%).

        "Eurodollar Rate" shall mean with respect to each 
Eurodollar Interest Period, the rate of interest per annum at which 
deposits in immediately available and freely transferable funds in 
U.S. Dollars are offered to the Bank (at approximately 10:00 a.m., 
Dallas, Texas time three Eurodollar Business Days prior to the 
first day of each Eurodollar Interest Period) in the London 
interbank market for delivery on the first day of such Eurodollar 
Interest Period such deposits being for a period of time equal to 
or comparable to such Eurodollar Interest Period and in an amount 
equal to or comparable to the principal amount of the Eurodollar 
Loan to which such Eurodollar Interest Period relates.  Each 
determination of the Eurodollar Rate by the Bank shall, in the 
absence of error, be conclusive and binding

        "Eurodollar Tranche" shall mean a Eurodollar Loan.

        "Financial Statements" shall mean balance sheets, income 
statements, statements of cash flow, and, on an annual basis, 
appropriate footnotes and schedules, prepared in accordance with 
GAAP.

        "GAAP" shall mean generally accepted accounting principles, 
consistently applied.

        "Guaranty" shall mean the unconditional guaranty of 
Guarantor.

        "Interest Payment Date" shall mean the earlier of (i) the 
last day of each Interest Period or (ii) the first day of each 
calendar month.

        "Interest Period" shall mean any Base Rate Interest Period, 
or Eurodollar Interest Period.

        "Lien" shall mean any lien, mortgage, security interest, 
tax lien, pledge, encumbrance, Environmental Lien, consolidated 
sale or title retention arrangement or other interest in property 
designed to secure repayment of a liability whether arising by 
agreement or under law, or otherwise.

        "Loan Documents" shall mean this Agreement, the Notes, the 
Guaranty, the Security Instruments and all other documents executed 
in connection with the transaction described in this Agreement.

        "Material Adverse Effect" shall mean any circumstances or 
events which could have a material adverse effect (i) on the assets 
or properties, liabilities, financial condition, business, 
operations, affairs or circumstances of Borrower or from the facts 
represented or warranted in this Agreement or any other Security 
Instrument (other than any representation or warranty related 
solely to a different point in time), or (ii) the ability of 
Borrower to carry out its business as it exists on the date of this 
Agreement or as proposed at the date of this Agreement to be 
conducted or to meet its obligations under the Notes, this 
Agreement or the other Security Instruments on a timely basis.

        "Maximum Rate" shall mean, at any particular time in 
question, the maximum rate of interest which under applicable law 
may then be charged on the Note.  If such maximum rate changes 
after the date hereof, the Maximum Rate shall be automatically 
increased or decreased, as the case may be, without notice to 
Borrower from time to time as the effective date of each change in 
such maximum rate.  If the applicable law ceases to provide for a 
maximum rate of interest, the Maximum Rate shall be equal to 
eighteen percent (18%) per annum. 

        "Midland" shall mean Midland Bank, P.L.C.

        "Monthly Commitment Reduction" is used herein as defined in 
Section 2 hereof.

        "Net Income" shall mean the Borrower's net income as 
determined in accordance with GAAP.

        "Net Operating Revenue" shall mean gross revenues from the 
oil and gas properties in the Drilling Program less production 
taxes, operating expenses and interest paid on the Advance Note.

        "Notes" shall mean the Revolving Note and the Advance Note. 

        "Oil and Gas Properties" shall mean all oil, gas and 
mineral properties and interests, and related personal properties, 
in which Borrower have granted and hereinafter grants to Bank a 
first and prior lien and security interest.

        "Permitted Liens" shall mean (i) royalties, overriding 
royalties, reversionary interests, production payments and similar 
burdens on any of the Oil and Gas Properties that existed as of the 
Effective Date or otherwise may be consented to by the Banks; (ii) 
sales contracts or other arrangements for the sale of production of 
oil, gas or associated liquid or gaseous hydrocarbons which would 
not (when considered cumulatively with the matters discussed in 
clause (i) above) deprive the Borrower of any material right in 
respect of any of Borrower's assets or properties (except for 
rights customarily granted with respect to such contracts and 
arrangements); (iii) statutory Liens for taxes or other assessments 
that are not yet delinquent (or that, if delinquent, are being 
contested in good faith by appropriate proceedings, levy and 
execution having been stayed and continue to be stayed, and for 
which the Borrower have set aside on their books adequate reserves 
in accordance with GAAP); (iv) easements, rights of way, 
servitudes, permits, surface leases and other rights in respect to 
surface operations, pipelines, grazing, logging, canals, ditches, 
reservoirs or the like, conditions, covenants and other 
restrictions, and easements of streets, alleys, highways, 
pipelines, telephone lines, power lines, railways and other 
easements and rights of way on, over or in respect of any of 
Borrower's assets or properties and that do not, individually or in 
the aggregate, cause a Material Adverse Effect; (v) materialmen's, 
mechanic's, repairman's, employee's, warehousemen's, landlord's, 
carrier's, pipeline's, contractor's, sub-contractor's, operator's, 
non-operators (arising under operating or joint operating 
agreements), and other Liens (including any financing statements 
filed in respect thereof) incidental to the construction, 
maintenance, development, transportation, storage or operation of 
Borrower's assets or properties to the extent not delinquent (or 
which, if delinquent, are being contested in good faith by 
appropriate proceedings and for which the Borrower have set aside 
on its books adequate reserves in accordance with GAAP); (vi) all 
contracts, agreements and instruments, and all defects and 
irregularities and other matters affecting the Borrower's assets 
and properties which are in existence at the Effective Date  and 
all routine operational agreements entered into in the ordinary 
course of business, which contracts, agreements, instruments, 
defects, irregularities and other matters and routine operational 
agreements are not such as to, individually or in the aggregate, 
interfere materially with the operation, value or use of Borrower's 
assets and properties, considered in the aggregate; (vii) liens in 
connection with workmen's compensation, unemployment insurance or 
other social security, old age pension or public liability 
obligations; (viii) legal or equitable encumbrances deemed to exist 
by reason of the existence of any litigation or other legal 
proceeding or arising out of a judgment or award with respect to 
which an appeal is being prosecuted in good faith and levy and 
execution thereon have been stayed and continue to be stayed; (ix) 
rights reserved to or vested in any municipality, governmental, 
statutory or other public authority to control or regulate any 
Borrower's assets and properties in any manner, and all applicable 
laws, rules and orders from any governmental authority; (x) Liens 
created by or pursuant to this Agreement or the Security 
Instruments; (xi) Liens existing at the date of this Agreement 
which have been disclosed to Bank on Schedule "1" hereto; (xii) 
Liens previous granted to Midland which are either being assigned 
to Bank on the Effective Date or released; or (xiii) any and all 
renewals and extensions of all or any of the foregoing.

        "Person" shall mean an individual, a corporation, a 
partnership, an association, a trust or any other entity or 
organization, including a government or political subdivision or an 
agency or instrumentality thereof.

        "Plan" shall mean any plan subject to Title IV of ERISA and 
maintained by Borrower, or any such plan to which Borrower are 
required to contribute on behalf of their employees.

        "Revolving Commitment" shall mean the commitment contained 
in Section 2(a) of this Agreement.

        "Revolving Loan" shall mean loan or loans made under the 
Revolving Commitment pursuant to Section 2(a) hereof.

        "Revolving Maturity Date" shall mean March 31, 1999.

        "Revolving Note" shall mean the $35,000,000.00 Revolving 
Note described in Section 3(a) hereof.

        "Security Instruments" shall mean this Agreement, all Deeds 
of Trust, Mortgages, Security Agreements, Assignments of Production 
and Financing Statements, all Mortgages, Security Agreements, 
Assignments of Production and Financing Statements, and other 
collateral documents covering certain of Borrower's Oil and Gas 
Properties, and related personal property, equipment, oil and gas 
inventory and proceeds of the foregoing, all such documents to be 
in form and substance reasonably satisfactory to Bank.

        "Subsidiary" shall mean any corporation or other entity of 
which securities or other ownership interests having ordinary 
voting power to elect a majority of the board of directors or other 
persons performing similar functions are at the time directly or 
indirectly owned by the Borrower.

        "Tangible Net Worth" shall mean an amount equal to 
Guarantor's consolidated stockholder's equity, as determined in 
accordance with GAAP.

        "Total Bank Debt" shall mean as of any date, the aggregate 
principal amount outstanding on the Revolving Note and the Advance 
Note.

        "Unscheduled Redeterminations" shall mean a redetermination 
of the Borrowing Base made at any time other than on the dates set 
for the regular semi-annual redetermination of the Borrowing Base 
which are made (A) at the reasonable request of Borrower, (B) at 
any time it appears to the Bank, in the exercise of its discretion, 
that either (i) there has been a material decrease in the value of 
the Oil and Gas Properties, or (ii) an event has occurred which is 
reasonably expected to have a Material Adverse Effect.

     2.   Commitments of the Bank

        (a)  Revolving Commitment.  On the terms and conditions 
hereinafter set forth, the Bank agrees to make Advances to the 
Borrower from time to time during the period beginning on the 
Effective Date and ending on the Revolving Maturity Date in such 
amounts as Borrower may request up to an amount not to exceed, in 
the aggregate principal amount outstanding at any time, the lesser 
of (i) the Borrowing Base or (ii) $35,000,000.00 (the "Revolving 
Commitment").  Within the limit of this Section 2, the Borrower may 
borrow, repay without premium or penalty, and reborrow.  
Notwithstanding any other provision of this Agreement, no Advance 
shall be required to be made hereunder if any Event of Default (as 
hereinafter defined) has occurred and is continuing or if any event 
or condition has occurred that may, with notice, be an Event of 
Default.  Each Advance under the revolving line of credit shall be 
an aggregate amount of at least $100,000.  

        (b)   Advance Line of Credit.  On the terms and conditions 
hereinafter set forth, the Bank agrees to make Advances to Borrower 
from time to time during the period beginning on the Effective Date 
and ending on the Advance Loan Maturity Date in such amounts as 
Borrower may request up to the aggregate amount of $2,000,000.00 
(the "Advance Line of Credit").  Advances under the Advance Line of 
Credit shall be used solely for the Drilling Program.  The maximum 
amount that may be advanced for any well in the Drilling Program 
shall be limited to the lesser of 80% of (i) the Approved AFE for 
such well, or (ii) the actual cost to Borrower of such well.  Once 
repaid, amounts may not be reborrowed hereunder.  Notwithstanding 
any other provision of this Agreement, no Advance shall be required 
to be made hereunder if any Event of Default (as hereinafter 
defined) has occurred and is continuing or if any event or 
condition has occurred that may, with notice, be an Event of 
Default.  Each Advance under the Advance Line of Credit shall be an 
aggregate amount of at least $25,000.00.

        (c)   Procedure for Borrowing.  Whenever Borrower desires 
an Advance on either the Revolving Loan or the Advance Loan, it 
shall give Bank telegraphic, telex, facsimile or telephonic notice 
("Notice of Borrowing") of such requested Advance, which in the 
case of telephonic notice, shall be promptly confirmed in writing.  
Each Notice of Borrowing shall be in the form of Exhibit "A" 
attached hereto and shall be received by Bank not later than 11:00 
a.m. Dallas, Texas time, (i) one Business Day prior to the 
Borrowing Date in the case of Base Rate Loans; and (ii) three (3) 
Business Days prior to any proposed Borrowing Date in the case of 
Eurodollar Loans.  Each Notice of Borrowing shall specify (i) 
whether the Advance is a Revolving Loan or Advance Loan, (ii) if an 
Advance Loan, the Approved AFE amount for each well for which 
payment is to be made and the amount paid to date on each such 
Approved AFE, (iii) the Borrowing Date (which, if a Base Rate Loan 
shall be a Business Day, and if a Eurodollar Loan, a Eurodollar 
Business Day), (iv) the principal amount to be borrowed, (v) the 
portion of the borrowing constituting Base Rate Loans and/or 
Eurodollar Loans, (vi) if any portion of the proposed borrowing is 
to constitute Eurodollar Loans, the initial Interest Period 
selected by Borrower pursuant to Section 4 hereof to be applicable 
thereto, and (vii) the date upon which disbursement is required.  
Not later than 2:00 p.m., Dallas, Texas time, on the date for which 
the Advance was requested, Bank shall make available to Borrower at 
the same office, in immediately available funds, the aggregate 
amount of such requested Advance.  Bank shall not incur any 
liability to Borrower in acting upon any notice referred to above 
which Bank believes in good faith to have been given by a duly 
authorized officer or other person authorized to borrow on behalf 
of Borrower or for otherwise acting in good faith under this 
Section 2(c).

        (d)   Monthly Reduction of Revolving Commitment.  The 
Revolving Commitment shall be reduced as of the last day of each 
month beginning June 30, 1996, by an amount determined by the Bank 
pursuant to Section 7(b) hereof (the "Monthly Commitment 
Reduction").  The Monthly Commitment Reduction shall be $130,000.00 
per month until redetermined pursuant to Section 7(b) hereof.

        (e)  Voluntary Reduction of Revolving Commitment and the 
Advance Line of Credit.  Borrower may at any time, or from time to 
time, upon not less than three (3) Business Days prior written 
notice to Bank, reduce or terminate either the Revolving Commitment 
or the Advance Line of Credit or both, provided, however, that (i) 
each reduction must be in a minimum amount of at least $100,000 and 
(ii) each reduction must be accompanied by a prepayment of the 
Revolving Note or the Advance Note, as the case may be, in the 
amount by which the principal balance of the Revolving Note or the 
Advance Note, as the case may be, exceeds the Revolving Commitment 
or the Advance Line of Credit, as the case may be, as reduced 
pursuant to this Section 2(e).  

    3.  Notes Evidencing Loans.  The loans described above in 
Section 2 shall be evidenced by a promissory note of Borrower as 
follows:

        (a)  Form of Revolving Note - The Revolving Loan shall be 
evidenced by a Revolving Note in the face amount of $35,000,000.00, 
and shall be in the form of Exhibit "B" hereto with appropriate 
insertion.  Notwithstanding the principal amount of the Revolving 
Note, as stated on the face thereof, the actual principal amount 
due from Borrower to Bank on account of the Revolving Note, as of 
any date of computation, shall be the sum of Advances then and 
theretofore made on account thereof, less all principal payments or 
prepayments actually received by Bank in collected funds with 
respect thereto.  Although the Revolving Note shall be dated as of 
the Effective Date, interest in respect thereof shall be payable 
only for the period during which the loans evidenced thereby are 
outstanding and, although the stated amount of the Revolving Note 
may be higher, the Revolving Note shall be enforceable, with 
respect to Borrower's obligation to pay the principal amount 
thereof, only to the extent of the unpaid principal amount of the 
applicable Advances.

        (b)  Form of Advance Note.  The Advance Loan shall be 
evidenced by a Advance Note in the face amount of $2,000,000.00, 
and shall be in the form of Exhibit "C" attached hereto with 
appropriate insertions.  Notwithstanding the principal amount of 
the Advance Note, as stated on the face thereof, the actual 
principal amount due from Borrower to Bank on account of the 
Advance Note, as of any date of computation, shall be the sum of 
Advances then and theretofore made on account thereof, less all 
principal payments actually or prepayments received by Bank in 
collected funds with respect thereto.  Although the Advance Note 
shall be dated as of the Effective Date, interest in respect 
thereof shall be payable only for the period during which the loans 
evidenced thereby are outstanding and, although the stated amount 
of the Advance Note may be higher, the Advance Note shall be 
enforceable, with respect to Borrower's obligation to pay the 
principal amount thereof, only to the extent of the unpaid 
principal amount of the applicable Advances.

        (c)  Interest Rate on the Notes - The unpaid principal 
balance of the Revolving Note and the Advance Note shall bear 
interest from time to time as set forth in Section 4(a) and 4(d) 
hereof.

        (d)  Payment of Interest on the Revolving Note - Interest 
on the Revolving Note shall be payable on the last day of each 
Interest Period.

        (e)  Payment of the Principal of the Revolving Note - 
Principal of the Revolving Note shall be due on the Revolving 
Maturity Date, unless earlier due in whole or in part pursuant to 
the mandatory prepayment requirements of Section 9(b) hereof.

        (f)  Payment on Principal and Interest on the Advance Note 
- - Interest of the Advance Note shall be due and payable on the last 
day of each month.  Principal on the Advance Note shall be due and 
payable monthly on the last day of each month in an amount equal to 
100% of the Net Operating Revenue from the Project.  The unpaid 
principal and interest due on the Advance Note shall be due and 
payable on the Advance Loan Maturity Date unless earlier due in 
whole or in part pursuant to the mandatory prepayment provisions of 
Section 9(c) hereof.

        (g)  General - Borrower shall pay the outstanding principal 
amount of each Eurodollar Loan on the last day of the Interest 
Period applicable thereto, which may be done by reborrowing 
hereunder so long as (i) the aggregate unpaid principal balance 
outstanding after any such reborrowing does not exceed the 
Revolving Commitment in effect at such time, as the same may be 
reduced from time to time hereunder, and (ii) no Event of Default 
has occurred and is continuing.

     4.  Interest Rates

        (a)  Options For Revolving Loan.

            (i)  Base Rate Loans.  Borrower agrees to pay interest 
on the Revolving Note calculated on the basis of the actual days 
elapsed in a year consisting of 365 or, if appropriate, 366 days 
with respect to the unpaid principal amount of each Base Rate Loan 
from the date the proceeds thereof are made available to Borrower 
until maturity (whether by acceleration or otherwise), at a varying 
rate per annum equal to the lesser of (i) the Maximum Rate (defined 
herein), or (ii) the Base Rate plus the Base Rate Margin.  Subject 
to the provisions of this Agreement as to prepayment, the principal 
of the Revolving Note representing Base Rate Loans shall be payable 
as specified in Section 3(e) hereof and the interest in respect of 
each Base Rate Loan shall be payable on each Interest Payment Date.  
Past due principal and, to the extent permitted by law, past due 
interest in respect to each Base Rate Loan, shall bear interest, 
payable on demand, at a rate per annum equal to the Maximum Rate.

            (ii)   Eurodollar Loans.  Borrower agrees to pay 
interest calculated on the basis of a year consisting of 360 days 
with respect to the unpaid principal amount of each Eurodollar Loan 
from the date the proceeds thereof are made available to Borrower 
until maturity (whether by acceleration or otherwise), at a varying 
rate per annum equal to the lesser of (i) the Maximum Rate, or (ii) 
the Eurodollar Rate plus the Eurodollar Margin.  Subject to the 
provisions of this Agreement with respect to prepayment, the 
principal of the Revolving Note shall be payable as specified in 
Section 3(e) hereof and the interest with respect to each 
Eurodollar Loan shall be payable on each Interest Payment Date.  
Past due principal and, to the extent permitted by law, past due 
interest shall bear interest, payable on demand, at a rate per 
annum equal to the Maximum Rate.  Upon three (3) Eurodollar 
Business Days written notice prior to the making by the Bank of any 
Eurodollar Loan (in the case of the initial Interest Period 
therefor) or the expiration date of each succeeding Interest Period 
(in the case of subsequent Interest Periods), Borrower shall have 
the option, subject to compliance by Borrower with all of the 
provisions of this Agreement, as long as no Event of Default 
exists, to specify whether the Interest Period commencing on any 
date shall be a one (1), two (2) or three (3) month period.  If 
Bank shall not have received timely notice of a designation of such 
Interest Period as herein provided, Borrower shall be deemed to 
have elected to convert all maturing Eurodollar Loans to Base Rate 
Loans.  Borrower shall not be permitted to have outstanding at any 
time more than three (3) Eurodollar Tranches.

        (b)  Interest Rate Determination.  The Bank shall determine 
each interest rate applicable to the Revolving Note hereunder.  The 
Bank shall give prompt notice to the Borrower of each rate of 
interest so determined and its determination thereof shall be 
conclusive absent error.

        (c)  Conversion Option.  Borrower may elect from time to 
time (i) to convert all of any part of their Eurodollar Loans to 
Base Rate Loans by giving Bank irrevocable notice of such election 
in writing prior to 10:00 a.m. (Dallas, Texas time) on the 
conversion date and such conversion shall be made on the requested 
conversion date, provided that any such conversion of Eurodollar 
Loan shall only be made on the last day of the Eurodollar Interest 
Period with respect thereof, (ii) to convert all or any part of 
their Base Rate Loans to Eurodollar Loans by giving the Bank 
irrevocable written notice of such election three (3) Eurodollar 
Business Days prior to the proposed conversion and such conversion 
shall be made on the requested conversion date or, if such 
requested conversion date is not a Eurodollar Business Day or a 
Business Day, as the case may be, on the next succeeding Eurodollar 
Business Day or Business Day, as the case may be.  Any such 
conversion shall not be deemed to be a prepayment of any of the 
loans for purposes of this Agreement or the Revolving Note.

        (d)  Advance Loan.  The unpaid principal balance of the 
Advance Note shall bear interest (calculated on the basis of actual 
days in a year consisting of 365 or, if appropriate, 366 days) at a 
fluctuating rate per annum from day to day equal to the lesser of 
(i) the Maximum Rate, or (ii) the Contract Rate.  Subject to the 
provisions of this Agreement as to prepayment, the principal and 
interest on the Advance Note shall be payable as specified in 
Section 3(f) hereof.  Past due principal and, to the extent 
permitted by law, past due interest in respect of the Advance Loan, 
shall bear interest, payable on demand, at a rate per annum equal 
to the Maximum Rate.

        (e)  Recoupment.  If at any time the applicable rate of 
interest selected pursuant to Sections 4(a)(i), 4(a)(ii) or 4(d) 
above shall exceed the Maximum Rate, thereby causing the interest 
on the Note to be limited to the Maximum Rate, then any subsequent 
reduction in the interest rate so selected or subsequently selected 
shall not reduce the rate of interest on the Note below the Maximum 
Rate until the total amount of interest accrued on the Note equals 
the amount of interest which would have accrued on the Note if the 
rate or rates selected pursuant to Sections 4(a)(i), 4(a)(ii) or 
4(d), as the case may be, had at all times been in effect.

    5.  Special Provisions Relating to Eurodollar Loans

        (a)  Unavailability of Funds or Inadequacy of Pricing.  In 
the event that, in connection with any proposed Eurodollar Loan, 
Bank (i) shall have determined that U.S. Dollar deposits of the 
relevant amount and for the relevant Eurodollar Interest Period for 
Eurodollar Loans are not available to Bank in the London interbank 
market; or (ii) in good faith determines that the Eurodollar 
Interest Rate will not adequately reflect the cost to the Bank of 
maintaining or funding the Eurodollar Loans for such Interest 
Period, the obligations of the Bank to make the Eurodollar Loans, 
as the case may be, shall be suspended until such time as Bank in 
its sole discretion reasonably exercised determines that the event 
resulting in such suspension has ceased to exist.  If Bank shall 
make such determination it shall promptly notify Borrower in 
writing and Borrower, at its option, shall either repay the 
outstanding Eurodollar Loans, as the case may be, owed to Bank, 
without penalty, on the last day of the current Interest Period or 
convert the same to Base Rate Loans in the case of Eurodollar Loans 
on the last day of the then current Interest Period for such 
Eurodollar Loan.

        (b)  Reserve Requirements.  In the event of any change in 
any applicable law, treaty or regulation or in the interpretation 
or administration thereof, or in the event any central bank or 
other fiscal monetary or other authority having jurisdiction over 
the Bank or the loans contemplated by this Agreement shall impose, 
modify or deem applicable any reserve requirement of the Board of 
Governors of the Federal Reserve System on any Eurodollar Loan or 
loans, or any other reserve, special deposit, or similar 
requirements against assets or deposits with or for the account of, 
or credit extended by, the Bank or shall impose on the Bank or the 
London interbank market, as the case may be, any other condition 
affecting this Agreement or the Eurodollar Loans and the result of 
any of the foregoing is to increase the cost to the Bank in making 
or maintaining its Eurodollar Loans or to reduce any amount (or the 
effective return on any amount) received by the Bank hereunder, 
then Borrower, at its option, shall either (i) pay to the Bank upon 
demand of the Bank as additional interest on the Revolving Note 
evidencing the Eurodollar Loans such additional amount or amounts 
as will reimburse the Bank for such additional cost or such 
reduction or (ii) convert such Eurodollar Loans to Base Rate Loans.  
The Bank shall give notice to Borrower upon becoming aware of any 
such change or imposition which may result in any such increase or 
reduction.  A certificate of the Bank setting forth the basis for 
the determination of such amount necessary to compensate the Bank 
as aforesaid shall be delivered to Borrower and shall be conclusive 
as to such determination and such amount, absent error.

        (c)  Taxes.  Both principal and interest on the Revolving 
Note evidencing any Eurodollar Loan are payable without withholding 
or deduction for or on account of any taxes.  If any taxes are 
levied or imposed on or with respect to the Revolving Note 
evidencing the Eurodollar Loan or on any payment on the Revolving 
Note evidencing the Eurodollar Loans made to the Bank, then, and in 
any such event, Borrower shall pay to the Bank upon demand of the 
Bank such additional amounts as may be necessary so that every net 
payment of principal and interest on the Revolving Note evidencing 
the Eurodollar Loan, after withholding or deduction for or on 
account of any such taxes, will not be less than any amount 
provided for herein.  In addition, if at any time when the 
Eurodollar Loan are outstanding any laws enacted or promulgated, or 
any court of law or governmental agency interprets or administers 
any law, which, in any such case, materially changes the basis of 
taxation of payments to the Bank of principal of or interest on the 
Revolving Note evidencing the Eurodollar Loan by reason of 
subjecting such payments to double taxation or otherwise (except 
through an increase in the rate of tax on the overall net income of 
Bank) then Borrower will pay upon demand by Bank the amount of loss 
to the extent that such loss is caused by such a change.  The Bank 
shall give notice to Borrower upon becoming aware of the amount of 
any loss incurred by the Bank through enactment or promulgation of 
any such law which materially changes the basis of taxation of 
payments to the Bank.  The Bank shall also give notice on becoming 
aware of any such enactment or promulgation which may result in 
such payments becoming subject to double taxation or otherwise.  A 
certificate of the Bank setting forth the basis for the 
determination of such loss and the computation of such amounts 
shall be delivered to Borrower and shall be conclusive of such 
determination and such amount, absent error.

        (d)  Change in Laws.  If at any time any new law or any 
change in existing laws or in the interpretation of any new or 
existing laws shall make it unlawful for the Bank to maintain or 
fund its Eurodollar Loan hereunder, then the Bank shall promptly 
notify Borrower in writing and Borrower, at its option, shall 
either (i) repay the outstanding Eurodollar Loan owed to the Bank, 
without penalty, on the last day of the current Interest Periods 
(or, if the Bank may not lawfully continue to maintain and fund 
such Eurodollar Loan, immediately), or (ii) Borrower may convert 
such Eurodollar Loan at such appropriate time to Base Rate loans.

        (e)  Option to Fund.  The Bank shall have the option if 
Borrower elect a Eurodollar Loan, to purchase one or more deposits 
in order to fund or maintain its funding of the principal balance 
of the Revolving Note to which such Eurodollar Loan is applicable 
during the Interest Period in question; it being understood that 
the provisions of this Agreement relating to such funding are 
included only for the purpose of determining the rate of interest 
to be paid under such Eurodollar Loan and any amounts owing 
hereunder and under the applicable Revolving Note.  The Bank shall 
be entitled to fund and maintain its funding of all or any part of 
that portion of the principal balance of the Revolving Note in any 
manner it sees fit, but all such determinations hereunder shall be 
made as if the Bank have actually funded and maintained that 
portion of the principal balance of the Revolving Note to which a 
Eurodollar Loan is applicable during the applicable Interest Period 
through the purchase of deposits in an amount equal to the 
principal balance of the Revolving Note to which such Eurodollar 
Loan is applicable and having a maturity corresponding to such 
Interest Period.  The Bank may fund the outstanding principal 
balance of the Revolving Note which is to be subject to any 
Eurodollar Loan from any branch or office of the Bank as the Bank 
may designate from time to time.

        (f)  Indemnity.  Borrower shall indemnify and hold harmless 
the Bank against all reasonable and necessary out-of-pocket costs 
and expenses which the Bank may sustain (i) if (other than as a 
result of a default by the Bank hereunder) the making of any loan 
or loans as a Eurodollar Loan does not occur on the date, if any, 
specified therefor in the notice given by Borrower pursuant to 
Section 2(c)(ii), (ii) as a consequence of any default by Borrower 
under this Agreement, or (iii) any other loss suffered by the Bank 
as a result of the making of any loan or loans as a Eurodollar 
Loan.

        (g)  Payments Not at End of Interest Period.  If the 
Borrower make any payment of principal with respect to any 
Eurodollar Loan on any day other than the last day of the Interest 
Period applicable to such Eurodollar Loan, then Borrower shall 
reimburse the Bank on demand for any loss, cost or expense incurred 
by the Bank as a result of the timing of such payment or in 
redepositing such principal amount, including the sum of (i) the 
cost of funds to the Bank in respect of such principal amount so 
paid, for the remainder of the Interest Period applicable to such 
sum, reduced, if the Bank is able to redeposit such principal 
amount so paid for the balance of the Interest Period, by the 
interest earned by Bank as a result of so redepositing such 
principal amount, plus (ii) any expense or penalty incurred by the 
Bank in redepositing such principal amount.  A certificate of Bank 
setting forth the basis for the determination of the amount owed by 
Borrower pursuant to this Section 5(g) shall be delivered to the 
Borrower and shall be conclusive in the absence of manifest error.

        6.   Collateral Security.  To secure the performance by 
Borrower of their obligations hereunder, and under the Note and 
Security Instruments, whether now or hereafter incurred, matured or 
unmatured, direct or contingent, joint or several, or joint and 
several, including extensions, modifications, renewals and 
increases thereof, and substitutions therefore, Borrower shall 
contemporaneously with or prior to the execution of this Agreement 
and the Note, grant and assign to the Bank a first and prior 
security interest and Lien on certain of its Oil and Gas 
Properties, and on certain related equipment, oil and gas inventory 
and proceeds of the foregoing.  To further secure the foregoing, 
Bank shall have the right to acquire the note and liens previously 
granted to the Midland or any holders thereof by Borrower.  All Oil 
and Gas Properties and other collateral in which Borrower have 
herewith granted or hereafter grants to the Bank a first and prior 
Lien (to the satisfaction of the Bank) in accordance with this 
Section 6 or Oil and Gas Properties covered by the Liens which are 
acquired by Bank from the Midland or any holders thereof, as such 
properties and interests are from time to time constituted, are 
hereinafter collectively called the "Collateral."

     The granting and assigning of such security interests and 
Liens by Borrower shall be pursuant to Security Instruments in form 
and substance reasonably satisfactory to the Bank.  Concurrently 
with the delivery of each of the Security Instruments, Borrower 
shall furnish to the Bank mortgage and title opinions and other 
documents reasonably satisfactory to Bank with respect to the title 
and Lien status of Borrower's interests in such of the Oil and Gas 
Properties covered by the Security Instruments as Bank shall have 
designated.  Borrower will cause to be executed and delivered to 
the Bank, in the future, additional Security Instruments if the 
Bank reasonably deems such are necessary to insure perfection or 
maintenance of Bank's security interests and Liens in the Oil and 
Gas Properties or any part thereof.

        7.   Borrowing Base.  

            (a)   Initial Borrowing Base.  During the period from 
the date hereof to the next Determination Date (as hereinafter 
defined), (i) the Borrowing Base shall be $10,500,000.00, and 
(ii) the Monthly Commitment Reduction shall be $130,000.00 per 
month.

            (b)   Subsequent Determinations of Borrowing Base 
Subsequent determinations of the Borrowing Base shall be made by 
the Bank at least semi-annually on June 30 and December 31 of each 
year, beginning June 30, 1996, or as Unscheduled Redeterminations.  
In connection with each such redetermination of the Borrowing Base, 
the Bank shall also redetermine the Monthly Commitment Reduction 
and the economic half life of the Oil and Gas Properties (the "Half 
Life").  Borrower shall furnish to the Bank as soon as possible but 
in any event no later than March 31 of each year, beginning 
March 31, 1996, with an engineering report in form and substance 
satisfactory to Bank prepared by Schlumberger GeoQuest or other 
independent petroleum engineer acceptable to Bank covering the Oil 
and Gas Properties utilizing pricing parameters used by Bank as 
established from time to time, together with such other information 
concerning the value of the Collateral as the Bank may deem 
necessary to determine the value of such Collateral.  By October 31 
of each year, beginning October 31, 1996, or within thirty (30) 
days after either (i) receipt of notice from Bank that it requires 
an Unscheduled Redetermination, or (ii) Borrower give notice to 
Bank of their desire to have an Unscheduled Redetermination 
performed, Borrower shall furnish to Bank an engineering report in 
form and substance satisfactory to Bank prepared by Borrower's in-
house engineering staff valuing the Oil and Gas Properties using 
substantially the same methodology utilized by the independent 
petroleum engineer who prepared the most recent independent 
engineering report, together with such other information, reports 
and data concerning the value of the Collateral as the Bank shall 
deem reasonably necessary to determine the value of such 
Collateral.  Bank shall notify Borrower of the new Borrowing Base, 
Monthly Commitment Reduction and Half Life for the period beginning 
on the date of such notice (herein called the "Determination Date") 
and continuing until, but not including, the next Determination 
Date.  If an Unscheduled Redetermination is made by the Bank, the 
Bank shall notify Borrower within a reasonable time after receipt 
of all requested information of the new Borrowing Base, Monthly 
Commitment Reduction and Half Life, if any, and such new Borrowing 
Base, Monthly Commitment Reduction and Half Life shall continue 
until the next Determination Date.  If Borrower do not furnish all 
such information, reports and data by the date specified in this 
Section 7(b), unless such failure is of no fault of Borrower, the 
Bank may nonetheless designate the Borrowing Base, Monthly 
Commitment Reduction and Half Life at any amounts which the Bank 
determines in its discretion and may redesignate the Borrowing 
Base, Monthly Commitment Reduction and Half Life from time to time 
thereafter until the Bank receives all such information, reports 
and data, whereupon the Bank shall designate a new Borrowing Base, 
Monthly Commitment Reduction and Half Life as described above.  The 
Bank shall determine the amount of the Borrowing Base based upon 
the loan collateral value which it in its discretion (using such 
methodology, assumptions and discounts rates as Bank customarily 
uses in assigning collateral value to oil and gas properties) 
assigns to such Oil and Gas Properties of Borrower at the time in 
question and based upon such other credit factors consistently 
applied (including, without limitation, the assets, liabilities, 
cash flow, business, properties, prospects, management and 
ownership of Borrower and its affiliates) as the Bank customarily 
considers in evaluating similar oil and gas credits.  If at any 
time any of the Collateral is sold by Borrower, the Borrowing Base 
then in effect shall automatically be reduced by a sum equal to the 
value attributable to such Collateral for Borrowing Base purposes.  
It is expressly understood that the Bank has no obligation to 
designate the Borrowing Base or the Monthly Commitment Reduction or 
the Half Life at any particular amount, except in the exercise of 
its discretion, whether in relation to the Revolving Commitment or 
otherwise, and that the Bank's commitment to advance funds 
hereunder is determined by reference to the Borrowing Base from 
time to time in effect.  Provided, however, that the Bank shall 
never have the obligation to designate a Borrowing Base in excess 
of its legal or internal lending limits.

     8.  Fees.

        (a)   Unused Portion Fee.  For and in consideration of the 
Revolving Commitment, Borrower shall pay to Bank an Unused Portion 
Fee (hereinafter referred to as the "Unused Portion Fee") 
equivalent to three-eighths of one percent (3/8%) per annum on the 
daily average of the unadvanced amount of the Borrowing Base.  The 
Unused Portion Fee shall be payable in arrears on the first 
Business Day of each calendar quarter beginning July 1, 1996 (with 
the payment due on July 1, 1996 to cover the period from the 
Effective Date until July 1, 1996), with the final fee payment due 
on the Revolving Maturity Date for any period then ending for which 
the Unused Portion Fee shall not have been theretofore paid.  In 
the event the Revolving Commitment terminates on any date prior to 
the end of any such quarterly period, Borrower shall pay to Bank, 
on the date of such termination, the pro rated portion of the total 
Unused Portion Fee due for the period in which such termination 
occurs.

        (b)   Commitment Fee.  For and in consideration of the 
Advance Line of Credit, Borrower shall pay to Bank an Commitment 
Fee (hereinafter referred to as the "Commitment Fee") equivalent to 
three-fourths of one percent (3/4%) per annum on the daily average 
of the unadvanced amount of the Advance Line of Credit.  The 
Commitment Fee shall be payable in arrears on the first Business 
Day of each calendar quarter beginning July 1, 1996 (with the 
payment due on July 1, 1996 to cover the period from the Effective 
Date until July 1, 1996), with the final fee payment due on the 
Advance Loan Maturity Date for any period then ending for which the 
Commitment Fee shall not have been theretofore paid.  In the event 
the Advance Line of Credit terminates on any date prior to the end 
of any such quarterly period, Borrower shall pay to Bank, on the 
date of such termination, the pro rated portion of the total 
Commitment Fee due for the period in which such termination occurs.

        (c)  Facility Fee.  For and in consideration of the Advance 
Line of Credit, Borrower shall pay to Bank on the Effective Date a 
Facility Fee (hereinafter referred to as the "Facility Fee") in the 
amount of $50,000.00.

        (d)   Borrowing Base Increase Fee.  Borrower agrees to pay 
to Bank from time to time a Borrowing Base Increase Fee 
(hereinafter referred to as the "Borrowing Base Increase Fee") 
equal to one-half of one percent (1/2%) per annum of the amount of 
any increase in the Borrowing Base from the amount of the Borrowing 
Base set as of the preceding Determination Date, said Borrowing 
Base Increase Fee to be payable upon notice to Borrower of such 
increase.

    9.  Prepayments.

        (a)   Voluntary Prepayments of Notes.  The Borrower may at 
any time and from time to time, without penalty or premium, prepay 
the Notes, in whole or in part. Each such prepayment shall be made 
on at least one (1) Business Day's notice to Bank and shall be in a 
minimum amount of $100,000 or the unpaid balance on the Notes or 
Notes being prepaid, whichever is less.  Provided, however, that if 
Borrower shall prepay the principal of any Eurodollar Loan on any 
date other than the last day of the Interest Period applicable 
thereto, Borrower shall make the additional payments, if any, 
required by Section 5(g) hereof.

        (b)   Mandatory Prepayment of Revolving Note.  In the event 
the aggregate principal amount outstanding on the Revolving Note 
ever exceeds the Borrowing Base as determined by Bank pursuant to 
Section 7(b) hereof, Borrower shall, within thirty (30) days after 
notification from the Bank, either (A) by instruments reasonably 
satisfactory in form and substance to the Bank, provide the Bank 
with additional collateral with value and quality in amounts 
satisfactory to the Bank in its sole discretion in order to 
increase the Borrowing Base by an amount at least equal to such 
excess, or (B) prepay, without premium or penalty, the principal 
amount of the Revolving Note in an amount at least equal to such 
excess plus interest thereon to the date of such prepayment. 

        (c)   Mandatory Prepayment of Advance Line of Credit.  In 
the event the Borrowing Base as determined by Bank pursuant to 
Section 7(b) hereof increases, Borrower shall within ten (10) days 
of receipt of notice of such increase, either (i) give Bank written 
notice of its intent to use all or any part thereof of such 
increased availability to acquire proven oil and gas reserves, and 
complete any such acquisition within sixty (60) days or (ii) use 
the increased capacity, or any portion thereof not used in 
accordance with Section 9(c)(i) hereof, to prepay, without premium 
or penalty, the principal amount of the Advance Note in an amount 
equal to such increased availability or such portion thereof.

        10.   Representations and Warranties.  In order to induce 
the Bank to enter into this Agreement, Borrower and Guarantor 
hereby represent and warrant to the Bank (which representations and 
warranties will survive the delivery of the Note) that:

        (a)   Corporate Existence.  Borrower and Guarantor are each 
a corporation duly organized, validly existing and in good standing 
under the laws of the jurisdiction in which it was incorporated and 
is duly qualified as a foreign  corporation in all jurisdictions 
wherein the failure to qualify could result in Material Adverse 
Effect.

        (b)   Corporate Power and Authorization.  Borrower is duly 
authorized and empowered to create and issue the Notes; and 
Borrower is duly authorized and empowered to execute, deliver and 
perform the Security Instruments, including this Agreement; and all 
corporate and other action on Borrower's part requisite for the due 
creation and issuance of the Notes and on the Borrower's part 
requisite for the due execution, delivery and performance of the 
Security Instruments, including this Agreement has been duly and 
effectively taken.

        (c)   Guarantor.  The Guarantor is duly authorized and 
empowered to execute and deliver its Guaranty, and all corporate 
actions on Guarantor's part requisite for the due execution, 
delivery and performance of its Guaranty have been duly and 
effectively taken.  The Guaranty constitutes the valid and binding 
obligation of Guarantor enforceable in accordance with its terms 
(except that enforcement may be subject to any applicable 
bankruptcy, insolvency, or similar debtor relief laws now or 
hereafter in effect and relating to or affecting the enforcement of 
creditors' rights generally).  The execution and delivery of the 
Guaranty by the Guarantor does not require the consent or approval 
of any other person or entity nor does such execution and delivery 
violate the provisions of any contract, agreement, law, regulation, 
order, injunction, decree or writ to which Guarantor is subject.

        (d)   Binding Obligations.  This Agreement does, and the 
Notes and other Security Instruments upon their creation, issuance, 
execution and delivery will, constitute valid and binding 
obligations of Borrower enforceable in accordance with their 
respective terms (except that enforcement may be subject to any 
applicable bankruptcy, insolvency, or similar debtor relief laws 
now or hereafter in effect and relating to or affecting the 
enforcement of creditors rights generally).

        (e)   No Legal Bar or Resultant Lien.  The Notes, the 
Security Instruments, including this Agreement, do not and will 
not, to the best of Borrower's knowledge, violate any provisions of 
any contract, agreement, law, regulation, order, injunction, 
judgment, decree or writ to which Borrower is subject, or result in 
the creation or imposition of any lien or other encumbrance upon 
any assets or properties of Borrower, other than those contemplated 
by this Agreement.

        (f)   No Consent.  The execution, delivery and performance 
by Borrower of the Notes and the Security Instruments, including 
this Agreement does not require the consent or approval of any 
other person or entity, including without limitation any regulatory 
authority or governmental body of the United States or any state 
thereof or any political subdivision of the United States or any 
state thereof except for consents required for federal, state and, 
in some instances, private leases, right of ways and other 
conveyances or encumbrances of oil and gas leases (all of which 
consents have been obtained by Borrower) and other than those the 
failure to obtain could cause a Material Adverse Effect.

        (g)   Financial Condition.  The Financial Statements of 
Borrower dated September 30, 1995 and the Financial Statements of 
Guarantor dated September 30, 1995 which have been delivered to 
Bank are complete and correct in all material respects, and fully 
and accurately reflect in all material respects the financial 
condition and results of the operations of the Borrower and 
Guarantor as of the date or dates and for the period or periods 
stated, and such Financial Statements have been prepared in 
accordance with GAAP.  No change has since occurred in the 
condition, financial or otherwise, of Borrower or Guarantor which 
could have a Material Adverse Effect, except as disclosed to the 
Bank in Schedule "2" attached hereto.

        (h)   Liabilities.  Neither Borrower nor Guarantor have any 
material (individually or in the aggregate) liability, direct or 
contingent, except as disclosed to the Bank in the Financial 
Statements or on Schedule "3" attached hereto.  No unusual or 
unduly burdensome restrictions, restraint, or hazard exists by 
contract, law or governmental regulation or otherwise relative to 
the business, assets or properties of Borrower which could have a 
Material Adverse Effect.

        (i)   Litigation.  Except as described in the Financial 
Statements, or as otherwise disclosed to the Bank in Schedule "4" 
attached hereto, there is no litigation, legal or administrative 
proceeding, investigation or other action of any nature pending or, 
to the knowledge of the officers of Borrower or Guarantor, 
threatened against or affecting Borrower or Guarantor which 
involves the possibility of any judgment or liability not fully 
covered by insurance, and which could have a Material Adverse 
Effect.

        (j)  Taxes; Governmental Charges.  Borrower and Guarantor 
have each filed all tax returns and reports required to be filed 
and has paid all taxes, assessments, fees and other governmental 
charges levied upon it or its assets, properties or income which 
are due and payable, including interest and penalties, the failure 
of which to pay could have a Material Adverse Effect, or has 
provided adequate reserves, if required, in accordance with GAAP 
for the payment thereof, except such as are being contested in good 
faith by appropriate proceedings and for which adequate reserves 
for the payment thereof as required by GAAP has been provided and 
levy and execution thereon have been stayed and continue to be 
stayed.

        (k)   Titles, Etc. Borrower and Guarantor each have good 
and defensible title to all of its assets, including without 
limitation, the Oil and Gas Properties, free and clear of all liens 
or other encumbrances except Permitted Liens.

        (l)   Defaults.  Neither Borrower nor Guarantor is in 
default and no event or circumstance has occurred which, but for 
the passage of time or the giving of notice, or both, would 
constitute a default under any loan or credit agreement, indenture, 
mortgage, deed of trust, security agreement or other agreement or 
instrument to which Borrower or Guarantor is a party in any respect 
that could have a Material Adverse Effect.  No Event of Default 
hereunder has occurred and is continuing.

        (m)   Casualties; Taking of Properties.  Since the dates of 
the latest Financial Statements of Borrower and Guarantor delivered 
to Bank, neither the business nor the assets or properties of 
Borrower or Guarantor have been affected (to the extent it could 
have a Material Adverse Effect), as a result of any fire, 
explosion, earthquake, flood, drought, windstorm, accident, strike 
or other labor disturbance, embargo, requisition or taking of 
property or cancellation of contracts, permits or concessions by 
any domestic or foreign government or any agency thereof, riot, 
activities of armed forces or acts of God or of any public enemy.

        (n)   Use of Proceeds; Margin Stock.  The proceeds of the 
Revolving Loan will be used by Borrower for the purposes of 
refinancing of existing debt, for development drilling, for 
acquisitions of oil and gas properties and payment of approved 
payables.  The proceeds of the Advance Loan will only be used by 
Borrower for the Drilling Program.  Borrower is not engaged 
principally or as one of its important activities in the business 
of extending credit for the purpose of purchasing or carrying any 
"margin stock" as defined in Regulation U of the Board of Governors 
of the Federal Reserve System (12 C.F.R. Part 221), or for the 
purpose of reducing or retiring any indebtedness which was 
originally incurred to purchase or carry a margin stock or for any 
other purpose which might constitute this transaction a "purpose 
credit" within the meaning of said Regulation U.  

     Neither Borrower, Guarantor nor any person or entity acting on 
behalf of Borrower or Guarantor have taken or will take any action 
which might cause the loans hereunder or any of the Security 
Instruments, including this Agreement, to violate Regulation U or 
any other regulation of the Board of Governors of the Federal 
Reserve System or to violate the Securities Exchange Act of 1934 or 
any rule or regulation thereunder, in each case as now in effect or 
as the same may hereafter be in effect.

        (o)   Location of Business and Offices.  The principal 
places of business of Borrower and Guarantor are located at 999 
18th Street, Suite 1700, Denver, Colorado 80202.

        (p)   Compliance with the Law.  To the best of Borrower's 
and Guarantor's knowledge, neither Borrower nor Guarantor:

               (i)  is in violation of any law, judgment, decree, 
order, ordinance, or governmental rule or regulation to which 
Borrower, or any of its assets or properties are subject; and 

               (ii)  has failed to obtain any license, permit, 
franchise or other governmental authorization necessary to the 
ownership of any of its assets or properties or the conduct of 
their business;

     which violation or failure is reasonably expected to have a 
Material Adverse Effect.

        (q)   No Material Misstatements.  No information, exhibit 
or report furnished by Borrower or Guarantor to the Bank in 
connection with the negotiation of this Agreement contained any 
material misstatement of fact or omitted to state a material fact 
or any fact necessary to make the statement contained therein not 
materially misleading.

        (r)   Not A Utility.  Neither Borrower nor Guarantor is an 
entity engaged in the State of Texas in the (i) generation, 
transmission, or distribution and sale of electric power; (ii) 
transportation, distribution and sale through a local distribution 
system of natural or other gas for domestic, commercial, 
industrial, or other use; (iii) ownership or operation of a 
pipeline for the transmission or sale of natural or other gas, 
crude oil or petroleum products to other pipeline companies, 
refineries, local distribution systems, municipalities, or 
industrial consumers; (iv) provision of telephone or telegraph 
service to others; (v) production, transmission, or distribution 
and sale of steam or water; (vi) operation of a railroad; or (vii) 
provision of sewer service to others.

        (s)   ERISA.  Borrower and Guarantor are each in compliance 
in all material respects with the applicable provisions of ERISA, 
and no "reportable event", as such term is defined in Section 4043 
of ERISA, has occurred with respect to any Plan of Borrower which 
is reasonably likely to cause a Material Adverse Effect.

        (t)   Public Utility Holding Company Act.  Neither Borrower 
nor Guarantor is a "holding company", or "subsidiary company" of a 
"holding company", or an "affiliate" of a "holding company" or of a 
"subsidiary company" of a "holding company", or a "public utility" 
within the meaning of the Public Utility Holding Company Act of 
1935, as amended.

        (u)   Subsidiaries.  All of Borrower's subsidiaries are 
listed on Schedule "5" hereto.

        (v)   Environmental Matters.  Except as disclosed on 
Schedule "6", neither Borrower nor Guarantor (i) has received 
notice or otherwise learned of any Environmental Liability which 
could individually or in the aggregate have a Material Adverse 
Effect arising in connection with (A) any non-compliance with or 
violation of the requirements of any Environmental Law or (B) the 
release or threatened release of any toxic or hazardous waste into 
the environment, (ii) has threatened or actual liability in 
connection with the release or threatened release of any toxic or 
hazardous waste into the environment which could individually or in 
the aggregate have a Material Adverse Effect or (iii) has received 
notice or otherwise learned of any federal or state investigation 
evaluating whether any remedial action is needed to respond to a 
release or threatened release of any toxic or hazardous waste into 
the environment for which Borrower or Guarantor is or may be liable 
which could result in a Material Adverse Effect.

        (w)   Liens.  Except for Permitted Liens, the assets and 
properties of Borrower and Guarantor are free and clear of all 
liens and encumbrances.

    11.  Conditions of Lending.

        (a)  The obligation of the Bank to make the initial Advance 
under the Revolving Commitment and the initial Advance under the 
Advance Line of Credit shall be subject to the following conditions 
precedent:

            (i)  Execution and Delivery.  (A) Borrower shall have 
executed and delivered to the Bank the Notes, the Security 
Instruments and other required documents, and (B) Guarantor shall 
have executed and delivered its Guaranty in the form of Exhibit "D" 
hereto, all in form and substance satisfactory to the Bank; 

            (ii)  Legal Opinion.  The Bank shall have received from 
Borrower's and Guarantor's legal counsel a favorable legal opinion 
in form and substance satisfactory to Bank (i) as to the matters 
set forth in Subsections 10(a), (b), (c), (d), (e), (f) and (i) 
hereof, and (ii) as to such other matters as Bank or its counsel 
may reasonably request;

            (iii)   Corporate Resolutions.  The Bank shall have 
received appropriate certified corporate resolutions of Borrower 
and Guarantor;

            (iv)  Good Standing and Existence.  The Bank shall have 
received evidence of existence and good standing for the Borrower 
and Guarantor;

            (v)  Incumbency.  The Bank shall have received a 
separate signed certificate of the officers of Borrower and 
Guarantor, certifying the names of each of the officers of Borrower 
or Guarantor authorized to sign loan documents on behalf of the 
Borrower and Guarantor, together with the true signatures of each 
such officer.  The Bank may conclusively rely on such certificate 
until the Bank receives a further certificate of the authorized 
officers of Borrower and Guarantor canceling or amending the prior 
certificate and submitting signatures of the officers named in such 
further certificate; 

            (vi)  Articles of Incorporation and Bylaws.  The Bank 
shall have received copies of the Articles of Incorporation of 
Borrower and Guarantor and all amendments thereto, certified by the 
Secretary of State of the state of the Borrower's and Guarantor's 
incorporation and a copy of the bylaws of the Borrower and 
Guarantor and all amendments thereto, certified by one or more 
officers of Borrower and Guarantor as being true, correct and 
complete; 

            (vii)  Title.  The Bank shall have received 
satisfactory evidence as to the state of the title to the Oil and 
Gas Properties;

            (viii)  Release.  The Bank shall have received one or 
more executed copies of a Release executed by Midland releasing all 
liens held by Midland on the Borrower's Oil and Gas Properties and 
other assets;

            (ix)  Drilling Program.  The Bank shall have approved 
Borrower's Drilling Program.

            (x)  Other Documents.  The Bank shall have received 
such other instruments and documents incidental and appropriate to 
the transaction provided for herein as the Bank or its counsel may 
reasonably request, and all such documents shall be in form and 
substance reasonably satisfactory to the Bank; and

            (xi)  Legal Matters Satisfactory.  All legal matters 
incident to the consummation of the transactions contemplated 
hereby shall be reasonably satisfactory to special counsel for the 
Bank retained at the expense of Borrower.

        (b)  The obligation of the Bank to make any Advance 
(including the initial Advance) on the Revolving Commitment or 
Advance Line of Credit shall be subject to the following additional 
conditions precedent that, at the date of making each such Advance 
and after giving effect thereto:

            (i)  Representation and Warranties.  With respect to 
any Advance, the representations and warranties of Borrower and 
Guarantor under this Agreement are true and correct in all material 
respects as of such date, as if then made (except to the extent 
that such representations and warranties related solely to an 
earlier date);

            (ii)  No Event of Default.  No Event of Default shall 
have occurred and be continuing nor shall any event have occurred 
or failed to occur which, with the passage of time or service of 
notice, or both, would constitute an Event of Default;

            (iii)  Other Documents.  The Bank shall have received 
such other instruments and documents incidental and appropriate to 
the transaction provided for herein as the Bank or its counsel may 
reasonably request, and all such documents shall be in form and 
substance reasonably satisfactory to the Bank; and

            (iv)  Legal Matters Satisfactory.  All legal matters 
incident to the consummation of the transactions contemplated 
hereby shall be reasonably satisfactory to special counsel for the 
Bank retained at the expense of Borrower.

    12.  Affirmative Covenants.  A deviation from the provisions of 
this Section 12 shall not constitute an Event of Default under this 
Agreement if such deviation is consented to in writing by the Bank. 
Without the prior written consent of the Bank, Borrower and 
Guarantor will at all times comply with the covenants contained in 
this Section 12 from the date hereof and for so long as any part of 
the Revolving Commitment or Advance Line of Credit is in existence.

        (a)  Financial Statements and Reports.  Borrower shall 
promptly furnish to the Bank from time to time upon request such 
information regarding the business and affairs and financial 
condition of the Borrower, as the Bank may reasonably request, and 
will furnish to the Bank:

            (i)  Annual Audited Financial Statements - as soon as 
available, and in any event within ninety (90) days after the close 
of each fiscal year, the annual audited consolidated and 
consolidating Financial Statements of the Borrower and the 
Guarantor, prepared in accordance with GAAP and accompanied by an 
unqualified opinion rendered by an independent accounting firm 
reasonably acceptable to the Bank;

            (ii)  Quarterly Financial Statements - as soon as 
available, and in any event within forty-five (45) days after the 
end of each calendar quarter of each year (except the last calendar 
quarter in any fiscal year), the quarterly consolidated and 
consolidating unaudited Financial Statements of the Borrower and 
Guarantor prepared in accordance with GAAP;

            (iii)  Monthly Lease Operating Reports - within thirty 
(30) days after the end of each month, a monthly report, in form 
and substance reasonably satisfactory to Bank, indicating sales 
volumes, sales revenues, production taxes, operating expenses, net 
operating income and capital expenditures and other production 
information from the Oil and Gas Properties, with detailed 
calculations and worksheets, all in form and substance reasonably 
satisfactory to Bank; 

            (iv)  Report on Properties - as soon as available and 
in any event on or before March 31, 1996, and thereafter on March 
31, and October 31 of each calendar year, and at such other times 
as the Bank, in accordance will Section 7 hereof, may request, the 
engineering reports required to be furnished to the Bank under such 
Section 7 on the Oil and Gas Properties; 

            (v)  Budget - contemporaneously with the delivery of 
the engineering information required above in Subsection 12(a)(iv), 
provide a budget setting forth all anticipated sources and uses of 
funds for the succeeding twelve (12) months; and

            (vi)  Additional Information - promptly upon request of 
the Bank from time to time any additional financial information or 
other information that the Bank may reasonably request.

    All such information, reports, balance sheets and Financial 
Statements referred to in Subsection 12(a) above shall be in such 
detail as the Bank may reasonably request and shall be prepared in 
a manner consistent with the Financial Statements.

        (b)  Certificates of Compliance.  Concurrently with the 
furnishing of the annual audited Financial Statements pursuant to 
Subsection 12(a)(i) hereof and each of the quarterly unaudited 
Financial Statements pursuant to Subsection 12(a)(ii) hereof, 
Borrower and Guarantor will furnish or cause to be furnished to the 
Bank a certificate in the form of Exhibit "D" attached hereto, 
signed by the President, or chief financial officer of the Borrower 
and the Guarantor (i) stating that the Borrower and the Guarantor 
have fulfilled in all material respects their respective 
obligations under the Note, the Guaranty and the Security 
Instruments, including this Agreement, and that all representations 
and warranties made herein and therein continue (except to the 
extent they relate solely to an earlier date) to be true and 
correct in all material respects (or specifying the nature of any 
change), or if an Event of Default has occurred, specifying the 
Event of Default and the nature and status thereof; (ii) to the 
extent requested from time to time by the Bank, specifically 
affirming compliance of the Borrower and the Guarantor in all 
material respects with any of their respective representations 
(except to the extent they relate solely to an earlier date) or 
obligations under said instruments; (iii) setting forth the 
computation, in reasonable detail as of the end of each period 
covered by such certificate, of compliance with Sections 13(c), 
(d), (e) and (f); and (iv) containing or accompanied by such 
financial or other details, information and material as the Bank 
may reasonably request to evidence such compliance.

        (c)  Accountants' Certificate.  Concurrently with the 
furnishing of the annual audited Financial Statement pursuant to 
Section 12(a)(i) hereof, Borrower and Guarantor shall furnish a 
statement from the firm of independent public accountants which 
prepared the consolidated Financial Statements to the effect that, 
in conducting the aforementioned audit, nothing came to their 
attention that caused  them to believe that Mallon Resources was 
not in compliance with the provisions of Section 13 subsections 
(c), (d) and (e) of this Agreement, insofar as they relate to 
accounting matters, or, if an instance of non-compliance was noted, 
specifying its nature and period of existence.

        (d)   Taxes and Other Liens.  The Borrower and Guarantor 
will pay and discharge promptly all taxes, assessments and 
governmental charges or levies imposed upon Borrower or Guarantor 
or upon the income or any assets or property of the Borrower or 
Guarantor as well as all claims of any kind (including claims for 
labor, materials, supplies and rent) which, if unpaid, might become 
a Lien or other encumbrance upon any or all of the assets or 
property of Borrower or Guarantor and which could reasonably be 
expected to result in a Material Adverse Effect; provided, however, 
that Borrower and the Guarantor shall not be required to pay any 
such tax, assessment, charge, levy or claim if the amount, 
applicability or validity thereof shall currently be contested in 
good faith by appropriate proceedings diligently conducted, levy 
and execution thereon have been stayed and continue to be stayed, 
and Borrower or the Guarantor, as the case may be, shall have set 
up adequate reserves therefor, if required, under GAAP.

        (e)   Compliance with Laws.  Borrower and Guarantor will 
observe and comply, in all material respects, with all applicable 
laws, statutes, codes, acts, ordinances, orders, judgments, 
decrees, injunctions, rules, regulations, orders and restrictions 
relating to environmental standards or controls or to energy 
regulations of all federal, state, county, municipal and other 
governments, departments, commissions, boards, agencies, courts, 
authorities, officials and officers, domestic or foreign.

        (f)   Further Assurances.  Borrower will cure promptly any 
defects in the creation and issuance of the Note and the execution 
and delivery of the Note and the Security Instrument, including 
this Agreement.  Borrower at its sole expense will promptly execute 
and deliver to Bank upon its reasonable request all such other and 
further documents, agreements and instruments in compliance with or 
accomplishment of the covenants and agreements in this Agreement, 
or to correct any omissions in the Note or more fully to state the 
obligations set out herein.  Guarantor, at its sole expense, will 
cure, or cause to be cured promptly any defect in the execution and 
delivery of the Guaranty.

        (g)  Performance of Obligations.  Borrower will pay the 
Notes and other obligations incurred by it hereunder according to 
the reading, tenor and effect thereof and hereof; and Borrower will 
do and perform every act and discharge all of the obligations 
provided to be performed and discharged by Borrower under the 
Security Instruments, including this Agreement, at the time or 
times and in the manner specified.  The Guarantor will do and 
perform every act and discharge all other obligations provided to 
be performed and discharged by Guarantor under the Guaranty and 
this Agreement.

        (h)  Insurance.  Borrower and Guarantor now maintain and 
will continue to maintain insurance with financially sound and 
reputable insurers with respect to their assets against such 
liabilities, fires, casualties, risks and contingencies and in such 
types and amounts as is customary in the case of persons engaged in 
the same or similar businesses and similarly situated.  Upon 
request of the Bank, Borrower and Guarantor will furnish or cause 
to be furnished to the Bank from time to time a summary of the 
respective insurance coverage of Borrower and Guarantor in form and 
substance satisfactory to the Bank, and, if requested, will furnish 
the Bank copies of the applicable policies.  Upon demand by Bank 
any insurance policies covering any such property shall be endorsed 
(i) to provide that such policies may not be canceled, reduced or 
affected in any manner for any reason without fifteen (15) days 
prior notice to Bank, (ii) to provide for insurance against fire, 
casualty and other hazards normally insured against, in the amount 
of the full value (less a reasonable deductible not to exceed 
amounts customary in the industry for similarly situated business 
and properties) of the property insured, and (iii) to provide for 
such other matters as the Bank may reasonably require.  Borrower 
and Guarantor shall at all times maintain adequate insurance with 
respect to the Collateral and other oil and gas properties against 
their liability for injury to persons or property, which insurance 
shall be by financially sound and reputable insurers and shall 
without limitation provide the following coverages:  comprehensive 
general liability (including coverage for damage to underground 
resources and equipment, damage caused by blowouts or cratering, 
damage caused by explosion, damage to underground minerals or 
resources caused by saline substances, broad form property damage 
coverage, broad form coverage for contractually assumed liabilities 
and broad form coverage for acts of independent contractors), 
worker's compensation and automobile liability.  Borrower and 
Guarantor shall at all times maintain cost of control of well 
insurance with respect to the Collateral which shall insure 
Borrower against seepage and pollution expense if deemed economical 
in the reasonable discretion of Borrower; redrilling expense; and 
cost of control of well; fires, blowouts, etc.  Additionally, 
Borrower and Guarantor shall at all times maintain adequate 
insurance with respect to all of their other assets and wells in 
accordance with prudent business practices.

        (i)  Accounts and Records.  Borrower and Guarantor will 
keep books, records and accounts in which full, true and correct 
entries will be made of all dealings or transactions in relation to 
its business and activities, prepared in a manner consistent with 
prior years, subject to changes required by GAAP or suggested by 
Borrower's or Guarantor's auditors.

        (j)  Right of Inspection.  Borrower and Guarantor will 
permit any officer, employee or agent of the Bank to examine 
Borrower's and Guarantor's books, records and accounts, and take 
copies and extracts therefrom, all at such reasonable times and as 
often as the Bank may reasonably request.  The Bank will keep all 
such information confidential and will not without prior written 
consent disclose or reveal the information or any part thereof to 
any person other than the Bank's officers, employees, legal 
counsel, regulatory authorities or advisors to whom it is necessary 
to reveal such information for the purpose of effectuating the 
agreements and undertakings specified herein or as otherwise 
required by law or in connection with the enforcement of the Bank's 
rights and remedies and this Agreement, the Notes and the Security 
Instruments.

        (k)  Notice of Certain Events.  Borrower and Guarantor 
shall promptly notify the Bank if Borrower or Guarantor learns of 
the occurrence of (i) any event which constitutes an Event of 
Default, together with a detailed statement by Borrower of the 
steps being taken to cure the Event of Default; or (ii) any legal, 
judicial or regulatory proceedings affecting the Borrower or 
Guarantor, or any of the assets or properties of the Borrower 
which, if adversely determined, could have a Material Adverse 
Effect; or (iii) any dispute between the Borrower or Guarantor and 
any governmental or regulatory body or any other person or entity 
which, if adversely determined, could cause a Material Adverse 
Effect; or (iv) any other matter which in Borrower's or Guarantor's 
opinion could have a Material Adverse Effect.

        (l)  ERISA Information and Compliance.  Borrower and 
Guarantor will promptly furnish to the Bank immediately upon 
becoming aware of the occurrence of any "reportable event", as such 
term is defined in Section 4043 of ERISA, or of any "prohibited 
transaction", as such term is defined in Section 4975 of the 
Internal Revenue Code of 1954, as amended, in connection with any 
Plan or any trust created thereunder, a written notice signed by 
the President or the chief financial officer of the Borrower or 
Guarantor, as the case may be, specifying the nature thereof, what 
action Borrower or Guarantor is taking or proposes to take with 
respect thereto, and, when known, any action taken by the Internal 
Revenue Service with respect thereto.

        (m)  Environmental Reports and Notices.  Borrower and 
Guarantor will deliver to the Bank (i) promptly upon its becoming 
available, one copy of each report sent by the Borrower or 
Guarantor to any court, governmental agency or instrumentality 
pursuant to any Environmental Law, (ii) notice, in writing, 
promptly upon Borrower's or Guarantor's learning that they have 
received notice or otherwise learned of any claim, demand, action, 
event, condition, report or investigation indicating any potential 
or actual liability arising in connection with (x) the non-
compliance with or violation of the requirements of any 
Environmental Law which could have a Material Adverse Effect; (y) 
the release or threatened release of any toxic or hazardous waste 
into the environment which could have a Material Adverse Effect or 
which release Borrower or Guarantor would have a duty to report to 
any court or government agency or instrumentality, or (iii) the 
existence of any Environmental Lien on any properties or assets of 
the Borrower or Guarantor, and Borrower or Guarantor shall 
immediately deliver a copy of any such notice to Bank.

        (n)  Maintenance.  Borrower and Guarantor will (i) observe 
and comply in all material respects with all Environmental Laws; 
(ii) except as provided in Subsections 12(o) and 12(p) below, 
maintain the Oil and Gas Properties and other assets and properties 
in good and workable condition at all times and make all repairs, 
replacements, additions, betterments and improvements to the Oil 
and Gas Properties and other assets and properties as are needed 
and proper so that the business carried on in connection therewith 
may be conducted properly and efficiently at all times in the 
opinion of the Borrower or Guarantor exercised in good faith; (iii) 
take or cause to be taken whatever actions are necessary or 
desirable to prevent an event or condition of default by Borrower 
or Guarantor under the provisions of any gas purchase or sales 
contract or any other contract, agreement or lease comprising a 
part of the Oil and Gas Properties or other collateral security 
hereunder which default could result in a Material Adverse Effect; 
and (iv) furnish Bank upon request evidence satisfactory to Bank 
that there are no Liens, claims or encumbrances superior to the 
Lien of Bank on the Oil and Gas Properties, except laborers', 
vendors', repairmen's, mechanics', worker's, or materialmen's liens 
arising by operation of law or incident to the construction or 
improvement of property if the obligations secured thereby are not 
yet due or are being contested in good faith by appropriate legal 
proceedings or Permitted Liens.

        (o)  Operation of Properties.  Except as provided in 
Subsection 12(p) and (q) below, Borrower and Guarantor will 
operate, or use reasonable efforts to cause to be operated, all Oil 
and Gas Properties in a careful and efficient manner in accordance 
with the practice of the industry and in compliance in all material 
respects with all applicable laws, rules, and regulations, and in 
compliance in all material respects with all applicable proration 
and conservation laws of the jurisdiction in which the properties 
are situated, and all applicable laws, rules, and regulations, of 
every other agency and authority from time to time constituted to 
regulate the development and operation of the properties and the 
production and sale of hydrocarbons and other minerals therefrom; 
provided, however, that Borrower and Guarantor shall have the right 
to contest in good faith by appropriate proceedings, the 
applicability or lawfulness of any such law, rule or regulation and 
pending such contest may defer compliance therewith, as long as 
such deferment shall not subject the properties or any part thereof 
to foreclosure or loss.

        (p)  Compliance with Leases and Other Instruments.  
Borrower and Guarantor will pay or cause to be paid and discharge 
all rentals, delay rentals, royalties, production payments and 
indebtedness required to be paid by the Borrower or Guarantor (or 
required to keep unimpaired in all material respects the rights of 
Borrower or Guarantor in the Oil and Gas Properties) accruing 
under, and perform or cause to be performed in all material 
respects each and every act, matter, or thing required of the 
Borrower or Guarantor by each and all of the assignments, deeds, 
leases, subleases, contracts, and agreements in any way relating to 
the Borrower or Guarantor or any of the Oil and Gas Properties and 
do all other things necessary of the Borrower or Guarantor to keep 
unimpaired in all material respects the rights of the Borrower or 
Guarantor thereunder and to prevent the forfeiture thereof or 
default thereunder; provided, however, that nothing in this 
Agreement shall be deemed to require the Borrower or Guarantor to 
perpetuate or renew any oil and gas lease or other lease by payment 
of rental or delay rental or by commencement or continuation of 
operations nor to prevent the Borrower or Guarantor from abandoning 
or releasing any oil and gas lease or other lease or well thereon 
when, in any of such events, in the opinion of Borrower or 
Guarantor exercised in good faith, it is not in the best interest 
of the Borrower or Guarantor to perpetuate the same.

        (q)  Certain Additional Assurances Regarding Maintenance 
and Operations of Properties.  With respect to those Oil and Gas 
Properties which are being operated by operators other than 
Borrower or Guarantor, Borrower and Guarantor shall not be 
obligated to perform any undertakings contemplated by the covenants 
and agreement contained in Subsections 12(o) or 12(p) hereof which 
are performable only by such operators and are beyond the control 
of Borrower or Guarantor; however, Borrower and Guarantor agree to 
promptly take all actions available under any operating agreements 
or otherwise to bring about the performance of any such 
undertakings required to be performed thereunder.

        (r)  Title Matters.  Within ninety (90) days after the date 
of this Agreement, Borrower shall provide additional title opinions 
and/or acceptable title information on the Oil and Gas Properties 
listed on Schedule "7" hereto.  As to any Oil and Gas Properties 
hereafter mortgaged to Bank, Borrower will promptly (but in no 
event more than sixty (60) days following such mortgaging), furnish 
Bank with title opinions and/or title information reasonably 
satisfactory to Bank showing good and defensible title of Borrower 
to such Oil and Gas Properties subject only to Permitted Liens.

        (s)  Curative Matters.  Within ninety (90) days after the 
date hereof with respect to matters listed on Schedule "8" and, 
thereafter, within ninety (90) days after receipt by Borrower from 
Bank or its counsel of written notice of title defects the Bank 
reasonably requires to be cured, Borrower shall either (i) provide 
such curative information, in form and substance satisfactory to 
Bank, or (ii) substitute Oil and Gas Properties of value and 
quality satisfactory to the Bank for all of Oil and Gas Properties 
for which such title curative was requested but upon which Borrower 
elected not to provide such title curative information, and, within 
ninety (90) days of such substitution, provide title opinions or 
title information satisfactory to the Bank covering the Oil and Gas 
Properties so substituted.

        (t)  Change of Principal Place of Business.  Borrower shall 
give Bank at least thirty (30) days prior written notice of its 
intention to move its principal place of business from the address 
set forth in Section 10(n) hereof.

     13.  Negative Covenants.  A deviation from the provisions of 
this Section 13 shall not constitute an Event of Default under this 
Agreement if such deviation is consented to in writing by the Bank.  
Without the prior written consent of the Bank, Borrower and 
Guarantor will at all times comply with the covenants contained in 
this Section 13 from the date hereof and for so long as any part of 
the Revolving Commitment or Advance of Line of Credit is in 
existence.

        (a)  Liens.  Neither Borrower nor Guarantor will create, 
incur, assume or permit to exist any lien, security interest or 
other encumbrance on any of its assets or properties except 
Permitted Liens.

        (b)  Consolidations, Mergers and Sales of Assets.  Neither 
Borrower nor Guarantor will consolidate or merge with or into any 
other Person, except that the Borrower or Guarantor may merge with 
another Person if (i) the Borrower or Guarantor is the corporation 
surviving such merger, or (ii) Bank has consented to such mergers 
or consolidations, and (iii) if, after giving effect thereto, no 
Event of Default shall have occurred and be continuing.

        (c)  Current Ratio.  Borrower and Guarantor will not suffer 
or permit their ratio of consolidated Current Assets to 
consolidated Current Liabilities to ever be less than 1.0 to 1.0.

        (d)  Debt Service Ratio.  Borrower and Guarantor will not 
suffer or permit their ratio of consolidated Cash Flow to 
consolidated Debt Service to ever be less than 1.10 to 1.00 after 
January 1, 1996, said ratio to be tested quarterly for the 
preceding twelve (12) months ( or the appropriate portion thereof 
during calendar year 1996).

        (e)  Minimum Tangible Net Worth.  Borrower and Guarantor 
will not suffer or permit their consolidated Tangible Net Worth to 
ever be less than $15,000,000.00.

        (f)  Total Bank Debt.  Borrower will not permit the amount 
of its Total Bank Debt to exceed an amount equal to (i) seventy-
five percent (75%) of the present value (discounted at 10%) of the 
Oil and Gas Properties as determined by the Bank (the "Present 
Value") during the six month period from the Effective Date to 
September 30, 1996; (ii) seventy percent (70%) of Present Value 
during the six month period from October 1, 1996 to March 31, 1997; 
and (ii) sixty five percent (65%) of Present Value during the six 
month period from April 1, 1997 to the Advance Loan Maturity Date.

        (g)  Debts, Guaranties and Other Obligations.  Neither 
Borrower, Guarantor or any of their Subsidiaries will incur, 
create, assume or in any manner become or be liable in respect of 
any indebtedness, liabilities or other obligations, nor will the 
Borrower or Guarantor or any of their Subsidiaries guarantee or 
otherwise in any manner become or be liable in respect of any 
indebtedness, liabilities or other obligations of any other person 
or entity, whether by agreement to purchase the indebtedness of any 
other person or entity or agreement for the furnishing of funds to 
any other person or entity through the purchase or lease of goods, 
supplies or services (or by way of stock purchase, capital 
contribution, advance or loan) for the purpose of paying or 
discharging the indebtedness of any other person or entity, or 
otherwise, except that the foregoing restrictions shall not apply 
to:

            (i)  the Notes, or other indebtedness of Borrower and 
Guarantor heretofore disclosed to Bank in Borrower's or Guarantor's 
Financial Statements or on Schedule "9" hereto;

            (ii)  taxes, assessments or other government charges 
which are not yet due or are being contested in good faith by 
appropriate action promptly initiated and diligently conducted, if 
such reserve as shall be required by GAAP shall have been made 
therefor and levy and execution thereon have been stayed and 
continue to be stayed;

            (iii)  indebtedness incurred in the ordinary course of 
business as such business is being conducted on the Effective Date; 
or

            (iv)  renewals and extensions of any or all of the 
foregoing.

        (h)  Dividends.  Neither Borrower nor Guarantor will 
declare or pay any cash dividend, purchase, redeem or otherwise 
acquire for value any of its stock now or hereafter outstanding, 
return any capital to stockholders, or make any distribution or its 
assets to its stockholders as such; provided, however, that the 
foregoing restriction shall not apply to (i) cash dividends paid by 
Guarantor on preferred stock outstanding on the Effective Date, or 
(ii) reimbursements to Guarantor by Borrower of amounts incurred by 
Guarantor to pay Borrower's general and administrative expenses in 
connection with Borrower's oil and gas operations, or (iii) 
dividends by Guarantor of Laguna Gold Company stock to its 
shareholders so long as no Event of Default has occurred and is 
continuing or would occur as the result of payment of any such cash 
dividends or reimbursement of general and administrative expenses.

        (i)  Loans and Advances.  Neither Borrower nor Guarantor 
shall make or permit to remain outstanding any loans or advances to 
any person or entity, except that the foregoing restriction shall 
not apply to:

            (i)  loans, advances or investments the material 
details of which have been set forth in the Financial Statements of 
Borrower and Guarantor heretofore furnished to Bank or have 
otherwise heretofore been disclosed to Bank on Schedule "10" 
hereto; 

            (ii)  advances made or accounts receivable created in 
the ordinary course of Borrower's oil and gas business; or

            (iii)  advances made by Guarantor to its wholly-owned 
Subsidiaries to cover general and administrative expenses of such 
Subsidiaries.

        (j)  Investments.  Neither Borrower nor Guarantor shall 
make any investments in any Person or entity, except such 
restriction shall not apply to:

            (i)  investments and direct obligations of the United 
States of America or any agency thereof;

            (ii)  investments in certificates of deposit issued by 
Bank or certificates of deposit with maturities of less than one 
year, issued by other commercial banks in the United States having 
capital and surplus in excess of $500,000,000 and which have a 
rating of (A) 50 or above by Sheshunoff and (B) "B" or above by 
Keef-Bruett; or

            (iii)  investments in insured money market funds and 
other similar accounts at Bank or such investment with maturities 
of less than ninety (90) days at other commercial banks having 
capital and surplus in excess of $500,000,000 and which have a 
rating of (A) 50 or above by Sheshunoff and (B) "B" or above by 
Keef-Bruett.

        (k)  Sale or Discount of Receivables.  Neither Borrower nor 
Guarantor will discount or sell with recourse, or sell for less 
than the greater of the face or market value thereof, any of their 
notes receivable or accounts receivable.

        (l)  Nature of Business.  Neither Borrower nor Guarantor 
will permit any material change to be made in the character of 
their business as carried on at the date hereof.

        (m)  Hedging Transactions.  Neither Borrower Nor Guarantor 
will enter into any transaction providing (i) for the hedging, 
forward sale or swap of crude oil, natural gas or any other 
commodity, or (ii) for a swap, collar, floor, cap, option, 
corridor, or other contract which is intended to reduce or 
eliminate the risk of fluctuations in interest rates, as such terms 
are referred to in the capital markets, except the foregoing 
prohibitions shall not apply to (i) transactions consented to in 
writing in advance by the Bank which are on terms acceptable to the 
Bank and (ii) Pre-Approved Contracts.  "Pre-Approved Contracts" 
means any contract or agreement to hedge, forward sell or swap 
crude oil or natural gas or otherwise sell up to 75% of expected 
future production volumes from proven developed producing reserves 
for a period of not longer than twenty-four (24) months and at an 
effective price not less than the then-current base pricing policy 
used by the Bank in determining borrowing base calculations for its 
petroleum industry customers.

        (n)  Amendment of Articles of Incorporation or Bylaws.  
Neither Borrower nor Guarantor will permit any amendment to, or 
other alteration of, their Articles of Incorporation or Bylaws.

        (o)  Sale of Assets.  Neither Borrower nor Guarantor shall 
sell, transfer or otherwise dispose of any of its assets except 
(i) for production from oil, gas and mineral property and other 
assets sold in the ordinary course of Borrower's or Guarantor's 
business and (ii) for the sale of the stock of Laguna Gold Company 
by Guarantor.  In the event any Oil and Gas Properties (other than 
production sold in the ordinary course of business) are sold with 
the prior written consent of the Bank, Borrower shall pay over to 
Bank an amount equal to the value attributable of such Oil and Gas 
Properties for Borrowing Base purposes.

        (p)  Transactions with Affiliates.  Neither Borrower nor 
Guarantor will enter into any transaction with any of its 
Affiliates, except transactions upon terms no less favorable to it 
than would be obtained in a transaction negotiated at arm's length 
with a unrelated third party.

     14.  Events of Default.  Any one or more of the following 
events shall be considered an "Event of Default" as that term is 
used herein:

        (a)  Borrower shall fail to pay when due or declared due 
the principal of, and the interest on, either of the Notes or any 
fee or any other indebtedness of Borrower incurred pursuant to this 
Agreement or any other Security Instrument; or 

        (b)  Any representation or warranty made by Borrower or 
Guarantor under this Agreement or any other Loan Document, or in 
any certificate or statement furnished or made to Bank pursuant 
hereto, or in connection herewith, or in connection with any 
document furnished hereunder, shall prove to be untrue in any 
material respect as of the date on which such representation or 
warranty is made (or deemed made), or any representation, statement 
(including Financial Statements), certificate, report or other data 
furnished or to be furnished or made by Borrower or Guarantor under 
any Loan Document, including this Agreement, proves to have been 
untrue in any material respect, as of the date as of which the 
facts therein set forth were stated or certified; or

        (c)  Default shall be made in the due observance or 
performance of any of the covenants or agreements of the Borrower 
or Guarantor contained in the Loan Documents, including this 
Agreement (excluding covenants contained in Section 13 of the 
Agreement for which there is no cure period), and such default 
shall continue for more than thirty (30) days after notice thereof 
from Bank to Borrower; or 

        (d)  Default shall be made in the due observance or 
performance of any of the covenants of the Borrower or Guarantor 
contained in Section 13 of this Agreement; or

        (e)  Default shall be made in respect of any obligation for 
borrowed money, other than the Notes, for which the Borrower or 
Guarantor is liable (directly, by assumption, as guarantor or 
otherwise), or any obligations secured by any mortgage, pledge or 
other security interest, lien, charge or encumbrance with respect 
thereto, on any asset or property of the Borrower or Guarantor or 
in respect of any agreement relating to any such obligations, and 
such default shall continue beyond the applicable grace period, if 
any; or 

        (f)  The Borrower or Guarantor shall commence a voluntary 
case or other proceedings seeking liquidation, reorganization or 
other relief with respect to itself or its debts under any 
bankruptcy, insolvency or other similar law now or hereafter in 
effect or seeking an appointment of a trustee, receiver, 
liquidator, custodian or other similar official of it or any 
substantial part of its property, or shall consent to any such 
relief or to the appointment of or taking possession by any such 
official in an involuntary case or other proceeding commenced 
against it, or shall make a general assignment for the benefit of 
creditors, or shall fail generally to pay its debts as they become 
due, or shall take any corporate action or authorizing the 
foregoing; or

        (g)  An involuntary case or other proceeding, shall be 
commenced against the Borrower or Guarantor seeking liquidation, 
reorganization or other relief with respect to it or its debts 
under any bankruptcy, insolvency or similar law now or hereafter in 
effect or seeking the appointment of a trustee, receiver, 
liquidator, custodian or other similar official of it or any 
substantial part of its property, and such involuntary case or 
other proceeding shall remain undismissed and unstayed for a period 
of sixty (60) days; or an order for relief shall be entered against 
the Borrower or Guarantor under the federal bankruptcy laws as now 
or hereinafter in effect; or

        (h)  A final judgment or order for the payment of money in 
excess of $100,000.00 (or judgments or orders aggregating in excess 
of $100,000.00) shall be rendered against the Borrower or Guarantor 
and such judgments or orders shall continue unsatisfied and 
unstayed for a period of thirty (30) days; or 

        (i)  The aggregate principal amount outstanding under the 
Revolving Note shall exceed the Borrowing Base established for the 
Revolving Note and Borrower shall fail to either provide additional 
Collateral or prepay a portion of the principal of the Revolving 
Note, in compliance with the provisions of Section 9(b) hereof; or 

        (j)  A Change of Management shall occur.

     Upon occurrence of any Event of Default specified in 
Subsections 14(f) and (g) hereof, the Revolving Commitment shall 
terminate and the entire principal amount due under the Note and 
all interest then accrued thereon, and any other liabilities of 
Borrower hereunder, shall become immediately due and payable all 
without notice and without presentment, demand, protest, notice of 
protest or dishonor or any other notice of default of any kind, all 
of which are hereby expressly waived by Borrower.  In any other 
Event of Default, the Bank may by notice to Borrower terminate the 
Revolving Commitment  and the Advance Line of Credit and declare 
the principal of, and all interest then accrued on, the Notes and 
any other liabilities hereunder to be forthwith due and payable, 
whereupon the same shall forthwith become due and payable without 
presentment, demand, protest or other notice of any kind, all of 
which Borrower hereby expressly waives, anything contained herein 
or in the Notes to the contrary notwithstanding.  Nothing contained 
in this Section shall be construed to limit or amend in any way the 
Events of Default enumerated in the Notes, or any other document 
executed in connection with the transaction contemplated herein.

     Upon the occurrence and during the continuance of any Event of 
Default, the Bank is hereby authorized at any time and from time to 
time, without notice to Borrower (any such notice being expressly 
waived by Borrower and Guarantor), to set-off and apply any and all 
deposits (general or special, time or demand, provisional or final) 
at any time held and other indebtedness at any time owing by the 
Bank to or for the credit or the account of the Borrower against 
any and all of the indebtedness of the Borrower or Guarantor under 
the Note and the Loan Documents, including this Agreement and the 
Guaranty, irrespective of whether or not the Bank shall have made 
any demand under the Loan Documents, including this Agreement or 
the Note and although such indebtedness may be unmatured.  Any 
amount set-off by the Bank shall be applied against the 
indebtedness owed the Bank by Borrower pursuant to this Agreement 
and the Note.  The Bank agrees promptly to notify Borrower after 
any such setoff and application, provided that the failure to give 
such notice shall not affect the validity of such set-off and 
application.  The rights of the Bank under this Section are in 
addition to other rights and remedies (including, without 
limitation, other rights of set-off) which the Bank may have.

    15.  Exercise of Rights. No failure to exercise, and no delay 
in exercising, on the part of the Bank, any right hereunder shall 
operate as a waiver thereof, nor shall any single or partial 
exercise thereof preclude any other or further exercise thereof or 
the exercise of any other right.  The rights of the Bank hereunder 
shall be in addition to all other rights provided by law.  No 
modification or waiver of any provision of the Security Agreement, 
including this Agreement, or the Note nor consent to departure 
therefrom, shall be effective unless in writing, and no such 
consent or waiver shall extend beyond the particular case and 
purpose involved.  No notice or demand given in any case shall 
constitute a waiver of the right to take other action in the same, 
similar or other circumstances without such notice or demand.

     16.  Notices.  Any notices or other communications required or 
permitted to be given by this Agreement or any other documents and 
instruments referred to herein must be given in writing (which may 
be by facsimile transmission) and must be personally delivered, 
faxed and confirmed by telephone call, or mailed by prepaid 
certified or registered mail to the party to whom such notice or 
communication is directed at the address of such party as follows:  
(a) BORROWER AND GUARANTOR:  c/o MALLON RESOURCES CORPORATION, 999 
18TH STREET, SUITE 1700, DENVER, COLORADO 80202, Facsimile No. 
(303) 293-3601, Attention: George O. Mallon, Jr., President; and 
(b) BANK:  BANK ONE, TEXAS, N.A., 1717 Main Street, Dallas, Texas 
75201, Facsimile No. 214-290-2627, Attention:  Reed V. Thompson, 
Vice President.  Any such notice or other communication shall be 
deemed to have been given on the day it is personally delivered as 
aforesaid or, if mailed, on the fifth day after it is mailed as 
aforesaid.  Any party may change its address for purposes of this 
Agreement by giving notice of such change to the other party 
pursuant to this Section. 

     17.  Expenses.  The Borrower shall pay (i) all reasonable and 
necessary out-of-pocket expenses of the Bank, including reasonable 
fees and disbursements of special counsel for the Bank, in 
connection with the preparation of this Agreement, any waiver or 
consent hereunder or any amendment hereof or any default or Event 
of Default or alleged default or Event of Default hereunder, (ii) 
all reasonable and necessary out-of-pocket expenses of the Bank, 
including reasonable fees and disbursements of special counsel for 
the Bank in connection with the preparation of any participation 
agreement for a participant or participants requested by Borrower 
or any amendment thereof and (iii) if a default or an Event of 
Default occurs, all reasonable and necessary out-of-pocket expenses 
incurred by the Bank, including fees and disbursements of counsel, 
in connection with such default and Event of Default and collection 
and other enforcement proceedings resulting therefrom.  The 
Borrower shall indemnify the Bank against any transfer taxes, 
document taxes, assessments or charges made by any governmental 
authority by reason of the execution and delivery of this Agreement 
or the Note.

     18.  Indemnity.  The Borrower and Guarantor agree to indemnify 
and hold harmless the Bank and its respective officers, employees, 
agents, attorneys and representatives (singularly, an "Indemnified 
Party", and collectively, the "Indemnified Parties") from and 
against any loss, cost, liability, damage or expense (including the 
reasonable fees and out-of-pocket expenses of counsel to the Bank, 
including all local counsel hired by such counsel) ("Claim") 
incurred by the Bank in investigating or preparing for, defending 
against, or providing evidence, producing documents or taking any 
other action in respect of any commenced or threatened litigation, 
administrative proceeding or investigation under any federal 
securities law, federal or state environmental law, or any other 
statute of any jurisdiction, or any regulation, or at common law or 
otherwise, which is alleged to arise out of or is based upon any 
acts, practices or omissions or alleged acts, practices or 
omissions of the Borrower, Guarantor or their agents or arises in 
connection with the duties, obligations or performance of the 
Indemnified Parties in negotiating, preparing, executing, 
accepting, keeping, completing, countersigning, issuing, selling, 
delivering, releasing, assigning, handling, certifying, processing 
or receiving or taking any other action with respect to the Loan 
Documents and all documents, items and materials contemplated 
thereby even if any of the foregoing arises out of an Indemnified 
Party's ordinary negligence.  The indemnity set forth herein shall 
be in addition to any other obligations or liabilities of the 
Borrower and Guarantor to the Bank hereunder or at common law or 
otherwise, and shall survive any termination of this Agreement, the 
expiration of the Loan and the payment of all indebtedness of the 
Borrower and Guarantor to the Bank hereunder and under the Note, 
provided that the Borrower and Guarantor shall have no obligation 
under this Section to the Bank with respect to any of the foregoing 
arising out of the gross negligence or willful misconduct of the 
Bank.  If any Claim is asserted against any Indemnified Party, the 
Indemnified Party shall endeavor to notify the Borrower of such 
Claim (but failure to do so shall not affect the indemnification 
herein made except to the extent of the actual harm caused by such 
failure).  The Indemnified Party shall have the right to employ, at 
the Borrower's and Guarantor's expense, counsel of the Indemnified 
Parties' choosing and to control the defense of the Claim.  The 
Borrower and Guarantor may at their own expense also participate in 
the defense of any Claim.  Each Indemnified Party may employ 
separate counsel in connection with any Claim to the extent such 
Indemnified Party believes it reasonably prudent to protect such 
Indemnified Party.  The parties intend for the provisions of this 
Section to apply to and protect each Indemnified Party from the 
consequences of its own negligence, whether or not that negligence 
is the sole, contributing, or concurring cause of any Claim.

    19.  Invalid Provisions.  If any provision of this Agreement is 
held to be illegal, invalid, or unenforceable under present or 
future laws effective during the term of this Agreement, such 
provisions shall be fully severable and this Agreement shall be 
construed and enforced as if such illegal, invalid or unenforceable 
provision had never comprised a part of this Agreement, and the 
remaining provisions of the Agreement shall remain in full force 
and effect and shall not be affected by the illegal, invalid or 
unenforceable provision or by its severance from this Agreement.

    20.  Maximum Interest Rate.  Regardless of any provisions 
contained in this Agreement or in any other documents and 
instruments referred to herein, the Bank shall never be deemed to 
have contracted for or be entitled to receive, collect or apply as 
interest on the Notes any amount in excess of the maximum rate of 
interest permitted to be charged by applicable law, and in the 
event the Bank ever receives, collects or applies as interest any 
such excess, or if acceleration of the maturities of the Notes or 
if any prepayment by Borrower results in Borrower having paid any 
interest in excess of the maximum rate, such amount which would be 
excessive interest shall be applied to the reduction of the unpaid 
principal balance of the Notes for which such excess was received, 
collected or applied, and, if the principal balance of the Notes 
are paid in full, any remaining excess shall forthwith be paid to 
Borrower.  All sums paid or agreed to be paid to the Bank for the 
use, forbearance or detention of the indebtedness evidenced by the 
Notes and/or this Agreement shall, to the extent permitted by 
applicable law, be amortized, prorated, allocated and spread 
throughout the full term of such indebtedness until payment in full 
so that the rate or amount of interest on account of such 
indebtedness does not exceed the maximum lawful rate permitted 
under applicable law.  In determining whether or not the interest 
paid or payable under any specific contingency exceeds the maximum 
rate of interest permitted by law, Borrower and the Bank shall, to 
the maximum extent permitted under applicable law, (i) characterize 
any non-principal payment as an expense, fee or premium, rather 
than as interest; and (ii) exclude voluntary prepayments and the 
effect thereof; and (iii) compare the total amount of interest 
contracted for, charged or received with the total amount of 
interest which could be contracted for, charged or received 
throughout the entire contemplated term of the Notes at the maximum 
lawful rate under applicable law.

     21.  Amendments.  This Agreement may be amended only by an 
instrument in writing executed by an authorized officer of the 
party against whom such amendment is sought to be enforced.

    22.  Multiple Counterparts. This Agreement may be executed in a 
number of identical separate counterparts, each of which for all 
purposes is to be deemed an original, but all of which shall 
constitute, collectively, one agreement.  No party to this 
Agreement shall be bound hereby until a counterpart of this 
Agreement has been executed by all parties hereto.

    23.  Conflict.  In the event any term or provision hereof is 
inconsistent with or conflicts with any provision of the Security 
Instruments, the terms or provisions contained in this Agreement 
shall be controlling.

    24.  Survival.  All covenants, agreements, undertakings, 
representations and warranties made in the Security Instruments, 
including this Agreement, the Note or other documents and 
instruments referred to herein shall survive all closings hereunder 
and shall not be affected by any investigation made by any party.

    25.  Parties Bound.  This Agreement shall be binding upon and 
inure to the benefit of the parties hereto and their respective 
successors, assigns, heirs, legal representatives and estates, 
provided, however, that Borrower or Guarantor may not, without the 
prior written consent of the Bank, assign any rights, powers, 
duties or obligations hereunder.

    26.  Participations.  The Bank shall have the right at any time 
and from time to time to sell one or more participations in the 
Notes or any Advance thereunder.  To the extent of any such 
participation the provisions of this Agreement shall inure to the 
benefit of, and be binding on, each participant, including, but not 
limited to, any indemnity from Borrower or the Guarantor to the 
Bank.  The Borrower and the Guarantor shall have no obligation or 
liability to and no obligation to negotiate or confer with, any 
participant, and Borrower shall be entitled to treat the Bank as 
the sole owner of the Notes without regard to notice or actual 
knowledge of any such participation.  Upon the occurrence of a 
default or an Event of Default, each participant will have and is 
hereby granted the right to setoff against and to appropriate and 
apply from time to time, without prior notice to the Borrower or 
the Guarantor or any other party, any such notice being hereby 
expressly waived, any and all deposits (general or special or other 
indebtedness or claims, direct or indirect, contingent or 
otherwise), at any time held or owing by the participant to or for 
the credit or account of Borrower or the Guarantor against the 
payment of the Notes and any other obligations of the Borrower or 
the Guarantor hereunder, provided, however, none of the rights 
granted in this Section shall apply to any deposits held by any 
participant constituting trust funds and so identified to such 
participant at the time the applicable deposit account is created.  
Within five (5) Business Days after such setoff or appropriation by 
a participant, that participant shall give Borrower and Bank 
written notice thereof.  However, a failure to give such notice 
will not affect the validity of this setoff or appropriation.

    27.  Financial Terms.  All accounting terms used in the 
Agreement which are not specifically defined herein shall be 
construed in accordance with GAAP.

    28.  Governing Law.  THIS AGREEMENT IS BEING EXECUTED AND 
DELIVERED, AND IS INTENDED TO BE PERFORMED, IN DALLAS, TEXAS, AND 
THE SUBSTANTIVE LAWS OF TEXAS SHALL GOVERN THE VALIDITY, 
CONSTRUCTION, ENFORCEMENT AND INTERPRETATION OF THIS AGREEMENT AND 
ALL OTHER DOCUMENTS AND INSTRUMENTS REFERRED TO HEREIN, UNLESS 
OTHERWISE SPECIFIED THEREIN.

    29.  Choice of Forum: Consent to Service of Process and 
Jurisdiction.  THE OBLIGATIONS OF BORROWER AND GUARANTOR UNDER THE 
LOAN DOCUMENTS ARE PERFORMABLE IN DALLAS COUNTY, TEXAS.  ANY SUIT, 
ACTION OR PROCEEDING AGAINST BORROWER OR GUARANTOR WITH RESPECT TO 
THE LOAN DOCUMENTS OR ANY JUDGMENT ENTERED BY ANY COURT IN RESPECT 
THEREOF, MAY BE BROUGHT IN THE COURTS OF THE STATE OF TEXAS, COUNTY 
OF DALLAS, OR IN THE UNITED STATES COURTS LOCATED IN DALLAS, TEXAS 
AND BORROWER AND GUARANTOR HEREBY SUBMIT TO THE NON-EXCLUSIVE 
JURISDICTION OF SUCH COURTS FOR THE PURPOSE OF ANY SUCH SUIT, 
ACTION OR PROCEEDING.  BORROWER AND GUARANTOR HEREBY IRREVOCABLY 
CONSENT TO SERVICE OF PROCESS IN ANY SUIT, ACTION OR PROCEEDING IN 
SAID COURT BY THE MAILING THEREOF BY BANK BY REGISTERED OR 
CERTIFIED MAIL, POSTAGE PREPAID, TO BORROWER OR GUARANTOR, AS 
APPLICABLE, AT THE ADDRESS FOR NOTICES AS PROVIDED IN SECTION 16.  
BORROWER AND GUARANTOR HEREBY IRREVOCABLY WAIVE ANY OBJECTION WHICH 
THEY MAY NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY SUIT, 
ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO ANY LOAN 
DOCUMENT BROUGHT IN THE COURTS LOCATED IN THE STATE OF TEXAS, 
COUNTY OF DALLAS, AND HEREBY FURTHER IRREVOCABLY WAIVE ANY CLAIM 
THAT ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN ANY SUCH COURT 
HAS BEEN BROUGHT IN AN INCONVENIENT FORUM.

    30.  Other Agreements.  THIS WRITTEN LOAN AGREEMENT REPRESENTS 
THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED 
BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL 
AGREEMENTS OF THE PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS 
BETWEEN THE PARTIES.

     IN WITNESS WHEREOF, the parties hereto have caused this 
Agreement to be duly executed as of the day and year first above 
written.

                              BORROWER:

                              MALLON OIL COMPANY
                              a Colorado corporation

                              By:  /s/ Kevin M. Fitzgerald    
                                   Kevin M. Fitzgerald,
                                   President

                              GUARANTOR:

                              MALLON RESOURCES CORPORATION,
                              a Colorado corporation

                              By:  /s/ Roy K. Ross    
                                   Roy K. Ross,
                                   Executive Vice President

                              BANK:

                              BANK ONE, TEXAS, N.A.,
                              a national banking association

                              By:  /s/ Reed V. Thompson    
                                   Reed V. Thompson, Vice President




                          REVOLVING NOTE

$35,000,000.00            Dallas, Texas                  March 20, 1996

     FOR VALUE RECEIVED, the undersigned MALLON OIL COMPANY, a Colorado 
corporation (referred to herein as "Borrower") hereby unconditionally 
promises to pay to the order of BANK ONE, TEXAS, N.A., a national 
banking association (referred to herein as "Bank"), at its banking 
offices in Dallas County, Texas, the principal sum of THIRTY-FIVE 
MILLION AND No/100 DOLLARS ($35,000,000.00), or so much thereof as may 
be advanced to or for the benefit of Borrower by Bank pursuant to the 
Loan Agreement (as hereinafter defined), in lawful money of the United 
States of America together with interest from the date hereof until paid 
at the rates specified in the Loan Agreement.  All payments of principal 
and interest due hereunder are payable at the offices of Bank at 1717 
Main Street, 4th Floor, Bank One Center, P.O. Box 655415, Dallas, Texas 
75265-5415, attention:  Energy Department, or at such other address as 
Bank shall designate in writing to Borrower.

     The principal and all accrued interest on this Note shall be due 
and payable in accordance with the terms and provisions of the Loan 
Agreement.

     This Note is executed pursuant to that certain Loan Agreement dated 
of even date herewith between Borrower and Bank (the "Loan Agreement"), 
and is the Revolving Note referred to therein.  This Note is secured by 
certain Security Instruments (as such term is defined in the Loan 
Agreement) of even date herewith between Borrower and Bank.  Reference 
is made to the Loan Agreement and the Security Instruments for a 
statement of prepayment, rights and obligations of Borrower, description 
of the properties mortgaged and assigned, the nature and extent of such 
security and the rights of the parties under the Security Instruments in 
respect to such security and for a statement of the terms and conditions 
under which the due date of this Note may be accelerated.  Upon the 
occurrence of an Event of Default, as that term is defined in the Loan 
Agreement and Security Instruments, the holder hereof (i) may declare 
forthwith to be entirely and immediately due and payable the principal 
balance hereof and the interest accrued hereon, and (ii) shall have all 
rights and remedies of the Bank under the Loan Agreement and Security 
Instruments.  This Note may be prepaid in accordance with the terms and 
provisions of the Loan Agreement.

     Regardless of any provision contained in this Note, the holder 
hereof shall never be entitled to receive, collect or apply, as interest 
on this Note, any amount in excess of the Maximum Rate (as such term is 
defined in the Loan Agreement), and, if the holder hereof ever receives, 
collects, or applies as interest, any such amount which would be 
excessive interest, it shall be deemed a partial prepayment of principal 
and treated hereunder as such; and, if the indebtedness evidenced hereby 
is paid in full, any remaining excess shall forthwith be paid to 
Borrower.  In determining whether or not the interest paid or payable, 
under any specific contingency, exceeds the Maximum Rate, Borrower and 
the holder hereof shall, to the maximum extent permitted under 
applicable law (i) characterize any non-principal payment as an expense, 
fee or premium rather than as interest, (ii) exclude voluntary 
prepayments and the effects thereof, and (iii) spread the total amount 
of interest throughout the entire contemplated term of the obligations 
evidenced by this Note and/or referred to in the Loan Agreement so that 
the interest rate is uniform throughout the entire term of this Note; 
provided that, if this Note is paid and performed in full prior to the 
end of the full contemplated term thereof and if the interest received 
for the actual period of existence thereof exceeds the Maximum Rate, the 
holder hereof shall refund to Borrower the amount of such excess or 
credit the amount of such excess against the indebtedness evidenced 
hereby, and, in such event, the holder hereof shall not be subject to 
any penalties provided by any laws for contracting for, charging, 
taking, reserving or receiving interest in excess of the Maximum Rate.

     If any payment of principal or interest on this Note shall become 
due on a Saturday, Sunday or public holiday or while the Bank is not 
open for business, such payment shall be made on the next succeeding 
business day and such extension of time shall in such case be included 
in computing interest in connection with such payment.

     If this Note is placed in the hands of an attorney for collection, 
or if it is collected through any legal proceeding at law or in equity 
or in bankruptcy, receivership or other court proceedings, Borrower 
agrees to pay all costs of collection, including, but not limited to, 
court costs and reasonable attorneys' fees.

     Borrower and each surety, endorser, guarantor and other party ever 
liable for payment of any sums of money payable on this Note, jointly 
and severally waive presentment and demand for payment, notice of 
intention to accelerate the maturity, notice of acceleration of the 
maturity, protest, notice of protest and nonpayment, as to this Note and 
as to each and all installments hereof, and agree that their liability 
under this Note shall not be affected by any renewal or extension in the 
time of payment hereof, or in any indulgences, or by any release or 
change in any security for the payment of this Note, and hereby consent 
to any and all renewals, extensions, indulgences, releases or changes.

     This Note shall be governed by and construed in accordance with the 
applicable laws of the United States of America and the laws of the 
State of Texas, except that Tex. Rev. Civ. Stat. Ann. art. 5069, Chapter 
15 (which regulates certain revolving credit loan accounts and revolving 
tri-party accounts) shall not apply to this Note.

     THIS WRITTEN NOTE, THE LOAN AGREEMENT AND THE OTHER LOAN DOCUMENTS 
REPRESENT THE FINAL AGREEMENTS BETWEEN THE PARTIES AND MAY NOT BE 
CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL 
AGREEMENTS OF THE PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS 
BETWEEN THE PARTIES.

     EXECUTED as of the 20th day of March, 1996.

                                       BORROWER:

                                       MALLON OIL COMPANY
                                       a Colorado corporation


                                       By: /s/ Kevin M. Fitzgerald
                                            Kevin M. Fitzgerald,
                                            President



                              ADVANCE NOTE


$2,000,000.00                 Dallas, Texas             March 20, 1996

     FOR VALUE RECEIVED, the undersigned MALLON OIL COMPANY, a Colorado 
corporation (referred to herein as "Borrower") hereby unconditionally 
promises to pay to the order of BANK ONE, TEXAS, N.A., a national 
banking association (referred to herein as "Bank"), at its banking 
offices in Dallas County, Texas, the principal sum of TWO MILLION AND 
No/100 DOLLARS ($2,000,000.00), or so much thereof as may be advanced to 
or for the benefit of Borrower by Bank pursuant to the Loan Agreement 
(as hereinafter defined) in lawful money of the United States of America 
together with interest from the date hereof until paid at the rates 
specified in the Loan Agreement.  All payments of principal and interest 
due hereunder are payable at the offices of Bank at 1717 Main Street, 
4th Floor, Bank One Center, P.O. Box 655415, Dallas, Texas 75265-5415, 
attention:  Energy Department, or at such other address as Bank shall 
designate in writing to Borrower.

     The principal and all accrued interest on this Note shall be due 
and payable in accordance with the terms and provisions of the Loan 
Agreement.

     This Note is executed pursuant to that certain Loan Agreement dated 
of even date herewith between Borrower and Bank (the "Loan Agreement"), 
and is the Advance Note referred to therein.  This Note is secured by 
certain Security Instruments (as such term is defined in the Loan 
Agreement) of even date herewith between Borrower and Bank.  Reference 
is made to the Loan Agreement and the Security Instruments for a 
statement of prepayment, rights and obligations of Borrower, description 
of the properties mortgaged and assigned, the nature and extent of such 
security and the rights of the parties under the Security Instruments in 
respect to such security and for a statement of the terms and conditions 
under which the due date of this Note may be accelerated.  Upon the 
occurrence of an Event of Default, as that term is defined in the Loan 
Agreement and Security Instruments, the holder hereof (i) may declare 
forthwith to be entirely and immediately due and payable the principal 
balance hereof and the interest accrued hereon, and (ii) shall have all 
rights and remedies of the Bank under the Loan Agreement and Security 
Instruments.  This Note may be prepaid in accordance with the terms and 
provisions of the Loan Agreement.

     Regardless of any provision contained in this Note, the holder 
hereof shall never be entitled to receive, collect or apply, as interest 
on this Note, any amount in excess of the Maximum Rate (as such term is 
defined in the Loan Agreement), and, if the holder hereof ever receives, 
collects, or applies as interest, any such amount which would be 
excessive interest, it shall be deemed a partial prepayment of principal 
and treated hereunder as such; and, if the indebtedness evidenced hereby 
is paid in full, any remaining excess shall forthwith be paid to 
Borrower.  In determining whether or not the interest paid or payable, 
under any specific contingency, exceeds the Maximum Rate, Borrower and 
the holder hereof shall, to the maximum extent permitted under 
applicable law (i) characterize any non-principal payment as an expense, 
fee or premium rather than as interest, (ii) exclude voluntary 
prepayments and the effects thereof, and (iii) spread the total amount 
of interest throughout the entire contemplated term of the obligations 
evidenced by this Note and/or referred to in the Loan Agreement so that 
the interest rate is uniform throughout the entire term of this Note; 
provided that, if this Note is paid and performed in full prior to the 
end of the full contemplated term thereof; and if the interest received 
for the actual period of existence thereof exceeds the Maximum Rate, the 
holder hereof shall refund to Borrower the amount of such excess or 
credit the amount of such excess against the indebtedness evidenced 
hereby, and, in such event, the holder hereof shall not be subject to 
any penalties provided by any laws for contracting for, charging, 
taking, reserving or receiving interest in excess of the Maximum Rate.

     If any payment of principal or interest on this Note shall become 
due on a Saturday, Sunday or public holiday or while the Bank is not 
open for business, such payment shall be made on the next succeeding 
business day and such extension of time shall in such case be included 
in computing interest in connection with such payment.

     If this Note is placed in the hands of an attorney for collection, 
or if it is collected through any legal proceeding at law or in equity 
or in bankruptcy, receivership or other court proceedings, Borrower 
agrees to pay all costs of collection, including, but not limited to, 
court costs and reasonable attorneys' fees.

     Borrower and each surety, endorser, guarantor and other party ever 
liable for payment of any sums of money payable on this Note, jointly 
and severally waive presentment and demand for payment, notice of 
intention to accelerate the maturity, notice of acceleration of the 
maturity, protest, notice of protest and nonpayment, as to this Note and 
as to each and all installments hereof, and agree that their liability 
under this Note shall not be affected by any renewal or extension in the 
time of payment hereof, or in any indulgences, or by any release or 
change in any security for the payment of this Note, and hereby consent 
to any and all renewals, extensions, indulgences, releases or changes.

     This Note shall be governed by and construed in accordance with the 
applicable laws of the United States of America and the laws of the 
State of Texas, except that Tex. Rev. Civ. Stat. Ann. art. 5069, Chapter 
15 (which regulates certain revolving credit loan accounts and revolving 
tri-party accounts) shall not apply to this Note.

     THIS WRITTEN NOTE, THE LOAN AGREEMENT AND THE OTHER LOAN DOCUMENTS 
REPRESENT THE FINAL AGREEMENTS BETWEEN THE PARTIES AND MAY NOT BE 
CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL 
AGREEMENTS OF THE PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS 
BETWEEN THE PARTIES.

     EXECUTED as of the 20th day of March, 1996.

                                      BORROWER:

                                      MALLON OIL COMPANY
                                      a Colorado corporation


                                      By: /s/ Kevin M. Fitzgerald
                                            Kevin M. Fitzgerald,
                                            President



ATTENTION ____________________ COUNTY CLERK:
Recording requested by and when recorded mail to:

BANK ONE, TEXAS, N.A. 
c/o Robert N. Rule, Jr., Esq. 
Locke Purnell Rain Harrell, P.C. 
2200 Ross Avenue, Suite 2200
Dallas, Texas 75201


                      MORTGAGE, SECURITY AGREEMENT,
            ASSIGNMENT OF PRODUCTION AND FINANCING STATEMENT
                       (Line of Credit Mortgage)

THE STATE OF NEW MEXICO     -
                            -     KNOW ALL MEN BY THESE PRESENTS:
COUNTIES OF EDDY, LEA       -
and RIO ARRIBA              -

     WHEREAS, MALLON OIL COMPANY, a Colorado corporation, the 
address of which is 999 18th Street, Suite 1700, Denver, Colorado 
80202 (hereinafter referred to as "Grantor"), does hereby execute 
and deliver this Mortgage, Security Agreement, Assignment of 
Production and Financing Statement (hereinafter referred to as the 
"Mortgage"), for the use and benefit of BANK ONE, TEXAS, N. A., a 
national banking association (hereinafter referred to as "Bank"), 
with its address at P. 0. Box 655415, Dallas, Texas 75265-5415; 
covering oil and gas properties and interests, and related personal 
properties, therein described located on land situated in the State 
of New Mexico;

     NOW, THEREFORE, for and in consideration of the sum of $10.00 
and other good and valuable consideration, in hand paid by Bank to 
Grantor, the receipt and sufficiency of which is hereby 
acknowledged and confessed, Grantor does hereby GRANT, MORTGAGE, 
BARGAIN, SELL, TRANSFER, ASSIGN and CONVEY unto Bank, all right, 
title and interest now or at any time hereafter vested in Grantor 
in and to the following described properties and interests, to wit:

          (a)     All oil, gas and mineral interests and other 
interests and property of every kind and character described and 
referred to in Exhibit "A" attached hereto and made a part hereof 
by reference for all purposes as if copied herein in full;

          (b)     Any and all operating agreements (including so-
called "working interest units" created under operating agreements 
or otherwise), communitization agreements, unitization agreements, 
pooling agreements, declarations of pooled units, all units created 
under orders, regulations, rules or other official acts of any 
federal, state or other governmental body or regulatory agencies 
providing for pooling and unitization, spacing orders or other well 
permits and other instruments, whether now or hereafter made, and 
the units created thereby, which relate to any of the properties 
and interests described or referred to in Exhibit "A", whether or 
not such agreements, orders or instruments are described in Exhibit 
"A";

          (c)     All real property covered by any and all of the 
oil, gas and mineral leases described or referred to in Exhibit "A" 
and the real property described or referred to in Exhibit "A" 
(hereinafter collectively referred to as the "Lands"), even though 
such rights, titles and interests be incorrectly or insufficiently 
described or referred to therein, or a description of a part or all 
of such rights, titles and interests be omitted from Exhibit "A";

          (d)     Any and all oil, gas and mineral leases described 
or referred to in Exhibit "A" and any and all oil, gas and mineral 
leases covering all or any part of the Lands (herein collectively 
referred to as the "Leases"), together with all right, title and 
interest now or at any time hereafter vested in Grantor in and to 
any and all overriding royalty interests, mineral interests, 
royalty interests, net profit interests, oil payments, production 
payments and all other interests and properties of every kind and 
character which relate to any of the Lands or the Leases, even 
though such rights, titles and interests be incorrectly or 
insufficiently described or referred to therein, or a description 
of a part or all of such rights, titles and interests be omitted 
from Exhibit "A", together with any and all renewals, extensions, 
substitutions, ratifications, supplements, amendments and 
replacements of and for any of the Leases or other interests 
described or referred to herein;

          (e)     All personal property, fixtures, hereditaments, 
improvements, easements, permits, licenses, servitudes, surface 
leases and rights-of-way situated upon or used or useful or held 
for use in connection with the exploration, development or 
operation of the foregoing properties and interests, or the 
production, treating, storing or transportation of oil, gas and 
other hydrocarbons therefrom, including, without limitation, liquid 
extraction plants, plant compressors, field gathering systems, 
valves, fittings, engines, boilers, meters, cables, wires, towers 
tubing and rods, casing, connections, tanks and tank batteries, 
separators, lines, pumps, pipes, pipelines, structures, buildings, 
sheds, oil wells, gas wells, injection wells, other wells, 
fixtures, tools, machinery and other equipment, power lines, 
telephone and telegraph lines, and other appurtenances, apparatus, 
appliances and property of every kind and character, movable or 
immovable now or at any time hereafter located on the Lands, or 
which may now or hereafter be used or obtained in connection 
therewith, whether or not the same are described or referred to in 
Exhibit "A", together with all additions, substitutions, 
replacements, accession 5 and attachments to any and all of the 
foregoing properties;

          (f)     All oil, casinghead gas and gas sales, purchase, 
exchange and processing contracts and agreements, and all other 
contracts, agreements and instruments, whether now in existence or 
hereafter made, which relate to any of the properties and interests 
described or referred to in Exhibit "A", whether or not such 
contracts and agreements are described or referred to in Exhibit 
"A", together with any and all renewals, extensions, substitutions, 
ratifications, supplements, amendments and replacements of or for 
any such contracts, agreements and instruments;  

          (g)     All oil, gas and other hydrocarbons, including, 
without limitation, casinghead gas, condensate, distillate, liquid 
hydrocarbons, gaseous hydrocarbons, and all products separated, 
settled and dehydrated therefrom, and all products refined 
therefrom, including, without limitation, kerosene, liquified 
petroleum gas, refined lubricating oils, diesel fuel, drip gasoline 
and natural gasoline, and all other minerals, and the proceeds 
thereof, produced and to be produced from and which accrue or are 
attributable to any of the above described or referenced properties 
and interests, by virtue of the above described or referenced 
contracts, agreements and instruments; and

          (h)     Any and all proceeds, rents, issues, profits, 
products, revenues and other income a rising from or by virtue of 
the sale, lease or other disposition or, or from any insurance 
payable with respect to damage, loss or destruction of, the 
collateral described in Subparagraphs (a) through (g) above.

     It is expressly understood and agreed by the parties hereto 
that any and all decimal fractional interests and/or well names set 
out in Exhibit "A" pertaining to any of the properties and 
interests described or referred to in Exhibit "A" have been 
appended for informational purposes only and shall not limit in any 
way whatsoever the interest of Grantor in such properties and 
interests, or interests derived thereunder, which are subject to 
this Mortgage. It is also expressly understood and agreed by the 
parties hereto that any and all references to township and range 
included in the descriptions set out in Exhibit "A" attached hereto 
are based upon reference to the New Mexico Prime Meridian.

     Grantor's interests in the properties and interests described 
in Subparagraphs (a) through (h) above are all hereinafter 
sometimes collectively referred to as the "Mortgaged Properties

     TO HAVE AND TO HOLD the Mortgaged Properties, together with 
all the rights, hereditaments and appurtenances in anywise 
appertaining or belonging thereto, unto Bank and its successors or 
substitutes in this trust, and its and their assigns, in trust and 
for the uses and purposes hereinafter set forth, forever.

     The term "Grantor's Successors", as used herein, shall mean 
Grantor's heirs, executors, legal representatives, successors and 
assigns.  Grantor hereby binds Grantor and Grantor's Successors to 
warrant and forever defend, all and singular, the Mortgaged 
Properties, unto Bank and its successors or substitutes in this 
trust, and its and their assigns, forever, against every person 
whomsoever lawfully claiming or to claim the same or any part 
thereof. 

     As used herein, the term "Loan Agreement" shall mean that 
certain Loan Agreement of even date herewith between Grantor and 
Bank.

                            ARTICLE 1
                  REPRESENTATIONS AND WARRANTIES

     1.1     Grantor hereby expressly represents and warrants to 
Bank that (a) the Leases are in full force and effect; (b) 
Grantor's interests in the Leases are valid and subsisting on the 
Lands and entitle Grantor to receive that proportion of the total 
production from the Mortgaged Properties indicated in connection 
with the descriptions thereof in Exhibit "A"; (c) Grantor has good, 
valid and indefeasible title to Grantor's interest in the Leases 
and to Grantor's interest in the personal property and fixtures 
comprising a part of the Mortgaged Properties or used or obtained 
in connection therewith, except for Permitted Liens (as defined in 
the Loan Agreement) and except as expressly provided in Exhibit "A" 
and the right, power and authority to execute and deliver this 
Mortgage and convey the Mortgaged Properties; (d) the Mortgaged 
Properties are free and clear of all claims, liens, encumbrances, 
security interests, contracts, agreements, options, preferential 
purchase rights or other restrictions or limitations of any nature 
or kind, except as expressly provided herein; (e) all rentals, 
royalties and other amounts due and payable under the Leases have 
been duly paid, and obligations to be performed under the Leases as 
to the Lands have been duly performed; (f) the holder shall quietly 
enjoy and possess the Mortgaged Properties; (g) Grantor is not a 
party to, and none of the hydrocarbons produced from any of the 
wells located on the Leases are the subject of, any Advance Payment 
Contract affecting or relating to any of the Mortgaged Properties.  
As used herein, the term "Advance Payment Contract" means any 
contract whereby Grantor either (1) receives or becomes entitled to 
receive (either directly or indirectly to a third party for 
Grantor's account or benefit) any payment (an "Advance Payment") to 
be applied toward payment of the purchase price of hydrocarbons 
produced or to be produced from any of the Mortgaged Properties and 
which Advance Payment is paid in advance of actual delivery of such 
production to or for the account of the purchaser regardless of 
such production, or (2) grants an option or right of refusal to the 
purchaser to take delivery of such production in lieu of payment, 
and, in either of the foregoing instances, the Advance Payment is, 
or is to be, applied as payment in full for such production when 
sold and delivered or is, or is to be, applied as payment for a 
portion only of the purchase price thereof or of a percentage or 
share of such production; provided that inclusion of the standard 
"take or pay" provision in any gas sales or purchase contract shall 
not, in and of itself, constitute such contract as an Advance 
Payment Contract for the purposes hereof; (h) Grantor and any 
guarantor of the Secured Indebtedness (hereinafter defined) are now 
in a solvent condition; (i) all financial statements, schedules, 
certificates, reports and other documents furnished by Grantor and 
any guarantor of the Secured Indebtedness to the holder in 
connection with the Secured Indebtedness are true and correct in 
all respects and do not omit to state any fact or circumstance 
necessary to make the statements contained therein not misleading; 
(j) no bankruptcy or insolvency proceedings are pending 
contemplated or threatened by or against Grantor and any guarantor 
of the Secured Indebtedness; and (k) no other judicial or 
administrative actions, suits or proceedings are pending, 
contemplated or threatened by or against Grantor and any guarantor 
of the Secured Indebtedness.

                             ARTICLE 2
                      SECURED INDEBTEDNESS

     2.1     This Mortgage is given to secure payment and 
performance of the following indebtedness, obligations and 
liabilities, to wit:

          (a)     That certain Revolving Note, dated March 20, 
1996, in the original principal amount of THIRTY-FIVE MILLION AND 
NO/100 Dollars ($35,000,000.00), executed by Grantor, as maker, 
payable to the order of Bank, bearing interest as provided therein 
and containing usual and customary provisions for collection and 
attorneys' fees (hereinafter referred to as the "Revolving Note"), 
and any and all renewals, increases, refundings, substitutions, 
replacements, consolidations and/or extensions of or for the Note, 
or any part thereof;

          (b)     That certain Advance Note, dated March 20, 1996, 
in the original principal amount of TWO MILLION AND NO/100 Dollars 
($2,000,000.00), executed by Grantor, as maker, payable to the 
order of Bank, bearing interest as provided therein and containing 
usual and customary provisions for collection and attorneys' fees 
(hereinafter referred to as the "Advance Note"), and any and all 
renewals, increases, refundings, substitutions, replacements, 
consolidations and/or extensions of or for the Note, or any part 
thereof (the Revolving Note and the Advance Note shall hereinafter 
be collectively referred to as the "Note");

          (c)     All indebtedness, obligations and liabilities of 
Grantor arising pursuant to the provisions of any loan agreement, 
whether now existing or hereafter arising, executed or to be 
executed by and between Grantor and Bank, including, without 
limitation, the Loan Agreement, and all supplements, amendments, 
restatements, modifications and replacements thereof or therefor, 
together with any and all renewals, increases, refundings, 
substitutions, replacements, consolidations and/or extensions of or 
for any such indebtedness, obligations and liabilities, or any part 
thereof;

          (d)     All indebtedness, obligations and liabilities 
arising pursuant to the provisions of this Mortgage, and any and 
all other mortgages, indentures, security agreements, pledge 
agreements, collateral mortgages, collateral chattel mortgages, 
assignments, or other conveyances, whether now existing or 
hereafter arising, and all supplements, amendments, restatements, 
modifications and replacements thereof or therefor, executed or to 
be executed by Grantor or any guarantor of the Secured Indebtedness 
to or for the use and benefit of Bank, together with any and all 
renewals, increases, refundings, substitutions, replacements, 
consolidations and/or extensions of or for any such indebtedness, 
obligations and liabilities, or any part thereof (hereinafter 
collectively referred to as the "Security Instruments");

          (e)     All loans and advances which Bank may hereafter 
make to Grantor, and any and all renewals, increases, refundings, 
substitutions, replacements, consolidations and/or extensions of 
any and all such loans and advances, or any part thereof; and

          (f)     All other and additional debts, obligations and 
liabilities of every kind and character of Grantor, now existing or 
hereafter arising in favor of Bank, regardless of whether such 
debts, obligations and liabilities are direct or indirect, primary 
or secondary, joint, several or joint and several, fixed or 
contingent, and regardless of whether such present or future debts, 
obligations and liabilities may, prior to their acquisition by 
Bank, be or have been payable to, or be or have been in favor of, 
some other persons or have been acquired by Bank in a transaction 
with one other than Grantor, together with any and all renewals, 
increases, refundings, substitutions, replacements, consolidations 
and/or extensions of or for any and all such debts, obligations, 
and liabilities, or any part thereof (it being contemplated that 
Bank may lend additional sums of money to Grantor from time to 
time, but shall not be obligated to do so, and that all such 
additional sums and loans shall be part of the "Secured 
Indebtedness" as hereinafter defined).

     The term "Secured Indebtedness", as used herein, shall mean 
all of the indebtedness, obligations and liabilities described or 
referred to above in Subsections (a) through (f), inclusive, of 
this Section 2.1.  The term "holder", as used herein, shall mean 
the holder or holders of the Secured Indebtedness or any part 
thereof.

     2.2     The Secured Indebtedness shall not exceed 
$37,000,000.00, which shall be the maximum amount secured at any 
one time hereby.

                            ARTICLE 3
                            COVENANTS

     3.1     The covenants, agreements and undertakings of Grantor 
contained in this Mortgage, whether in this Article 3 or elsewhere, 
are made by Grantor for Grantor and Grantor's Successors.

     3.2     Grantor hereby covenants, agrees and specifically 
undertakes hereby:

          (a)     To maintain, preserve and keep or cause to be 
maintained, preserved and kept Grantor's interests in the Mortgaged 
Properties and all appurtenances thereto, including, without 
limitation, all buildings, improvements, machinery, equipment, 
pipelines, fixtures and other personal property of every kind and 
character, in respect of the Leases, in thorough repair, working 
order and condition, and from time to time, at Grantor's own 
expense, do or cause to be done all necessary and proper repairs, 
renewals, replacements and substitutions of the Mortgaged 
Properties and all appurtenances thereto, so that at all times the 
state and condition of the Mortgaged Properties and all 
appurtenances thereto will be fully preserved and maintained;

          (b)     To permit or cause to be permitted the holder, 
its agents, employees and representatives, at their own risk, to go 
upon, examine, inspect and remain on the Mortgaged Properties, and 
to go upon the derrick floor of any well or wells at any time 
drilled or being drilled thereon, and to strap, gauge, measure and 
inspect any and all tanks at any time on the Mortgaged Properties 
or holding oil, gasoline or casinghead gasoline therefrom; and 
Grantor shall do or cause to be done all things necessary and/or 
proper to enable the holder to exercise said rights whenever it so 
desires;

          (c)     To promptly notify the holder in writing if the 
validity or priority of this Mortgage or any of the rights, titles, 
liens or security interests created or evidenced hereby with 
respect to the Mortgaged Properties, or any part thereof, shall be 
questioned attacked or endangered, directly or indirectly, and do 
or cause to be done all things necessary and/or proper to protect, 
warrant and defend title to the Mortgaged Properties unto the 
holder and its successors and assigns at Grantor's sole expense 
against all persons whomsoever claiming an interest therein or a 
lien or security interest thereon, but the holder shall have the 
right, at any time, to intervene in any suit affecting such title 
and to employ independent counsel in connection with any such suit 
to which it may be a party by intervention or otherwise; and upon 
demand Grantor agrees to pay the holder all reasonable expenses 
paid or incurred by it in respect of any such suit affecting title 
to any such property or affecting the holder's rights, titles, 
liens or security interests hereunder, including, without 
limitation, reasonable fees to the holder's attorneys, and Grantor 
will indemnify and hold the holder harmless from and against any 
and all costs and expenses, including, without limitation, any and 
all costs, loss, damage or liability which the holder may suffer or 
incur by reason of the failure of the title to all or any part of 
the Mortgaged Properties, or by reason of the failure or inability 
of Grantor, for any reason, to convey the rights, titles, liens and 
security interests which this Mortgage purports to mortgage, create 
or assign, and all amounts at any time so payable by Grantor shall 
be secured by the lien and security interest hereof and by the 
assignment of production herein contained; 

          (d)     At any time and from time to time, upon request 
by the holder and at Grantor's sole expense, forthwith to execute 
and deliver or cause to be executed and delivered to the holder and 
to record, file or register, any and all additional instruments and 
further assurances as may be necessary or proper, in the holder's 
opinion, to effect the intent of these presents;

          (e)     To promptly furnish the holder with the financial 
information, statements, and reports required to be furnished under 
the Loan Agreement; 

          (f)     To pay all Secured Indebtedness in accordance 
with the terms thereof or hereof, or when the maturity thereof be 
accelerated in accordance with the terms thereof or hereof;

          (g)     To promptly pay and discharge or cause to 
promptly paid and discharged all rentals, delay rentals, royalties 
and indebtedness accruing under, and to perform or cause to be 
performed each and every act, matter or thing required by each and 
all of the assignments, deeds, Leases, subleases, contracts and 
agreements comprising a part of or affecting Grantor's interests in 
the Mortgaged Properties, and to do or cause to be done all other 
things necessary to keep unimpaired Grantor's rights with respect 
thereto and to prevent any forfeiture thereof or default 
thereunder;

          (h)     To do or cause to be done such development work 
as may be reasonably necessary to the prudent and economical 
operation of the Mortgaged Properties in accordance with the 
generally accepted practices of prudent operators in the industry, 
including all actions that may be appropriate to protect from 
diminution the productive capacity of the Mortgaged Properties and 
each producing well thereon, including, without limitation, 
cleaning out and a reconditioning each well from time to time, 
plugging and completing at a different level or formation each such 
well, drilling a substitute or replacement well to conform to 
changed spacing regulations or to remedy any mechanical, 
engineering or operational difficulty encountered during the life 
of each such well, and to protect the Mortgaged Properties against 
drainage whenever, and as often as, is necessary;

          (i)     To promptly correct and cure any defect, error or 
omission which may be discovered in the contents of this Mortgage 
or in any other Security Instrument or in the execution or 
acknowledgement hereof or thereof and in connection therewith, 
promptly execute, acknowledge and deliver to the holder any and all 
such corrective or curative instruments as the holder may in its 
sole and absolute discretion deem necessary or appropriate, and pay 
all costs and expenses, including, without limitation, the 
reasonable attorneys' fees of the holder, in connection with any of 
the foregoing; and 

          (j)     To comply in all respects with the affirmative 
and negative covenants set forth in the Loan Agreement.

     3.3     Any and all covenants contained in this Mortgage may 
from time to time, by instrument in writing signed by the holder 
and delivered to Grantor, be waived to such extent and in such 
manner as the holder may consider appropriate; but no such waiver 
shall at any time affect or impair the holder's rights or liens 
hereunder, except to the extent so specifically stated in such 
written instrument.

     3.4     As to any part of the Mortgaged Properties which may 
be comprised of interests in the Leases which are other than 
working interests or which may be operated by a party or parties 
other than Grantor, Grantor's covenants as expressed in this 
Article 3 are modified to require that Grantor use its best efforts 
to obtain compliance with such covenants by the working interest 
owners or the operator or operators of such Leases or properties, 
including, without limitation, the exercise by Grantor of all 
rights under any operating agreements to which Grantor is a party.

                             ARTICLE 4
                       DEFAULTS AND REMEDIES

     4.1     The term "Event of Default", as used herein, shall 
mean the occurrence of any one or more of the following events:

          (a)     The occurrence of any Event of Default, as that 
term is defined in the Loan Agreement;

          (b)     The failure or refusal of Mortgagor to pay all or 
any part of the Note as and when due in accordance with its terms;

          (c)     The failure or refusal of Mortgagor punctually 
and properly to observe, keep and perform any covenant, agreement 
or undertaking contained in this Mortgage or any of the Security 
Instruments;

          (d)     The title of Mortgagor or Bank to the Mortgaged 
Properties, or a substantial part thereof, becomes in any manner 
affected or impaired or becomes the subject matter of litigation 
which, in the good faith opinion of Bank, would likely result in 
substantial impairment or loss of the lien and security interest 
intended to be created by this Mortgage; or

          (e)     Any representation or warranty set forth in this 
Mortgage or in any of the Security Instruments shall be determined 
to be false or misleading in any respect.

then upon the occurrence of any such Event of Default, Mortgagor 
shall be in default hereunder and the Bank may declare all of the 
Secured Indebtedness to be forthwith due and payable whereupon the 
same shall forthwith become due without presentment, demand, 
protest, notice of intent to accelerate and notice of acceleration 
or other notice of any kind, all of which mortgagor hereby 
expressly waives.  The Bank may thereupon avail itself of any of 
its legal and equitable rights and remedies, either by the 
institution of a suit or suits, in equity or at law, or in 
bankruptcy, in any court or courts of competent jurisdiction, 
whether for the specific performance of any covenant, undertaking 
or agreement contained herein or in the aid of any execution of any 
powers granted herein, or for any foreclosure hereof or hereunder, 
or for any sale of the Mortgaged Properties, or any part thereof, 
so far as may be authorized by law, or for the enforcement of such 
other or additional appropriate legal or equitable remedies as the 
Bank may deem most effectual to protect and enforce the aforesaid 
rights.

     4.2     If Grantor should fail, refuse or be unable to pay any 
sum of money herein covenanted to be paid by Grantor, or fail, 
refuse or be unable to observe, keep or perform any additional 
covenant, agreement or undertaking whatsoever contained in this 
Mortgage, the holder may, but shall not be obligated to, pay said 
sums of money, or perform or attempt to perform any such covenant, 
agreement or undertaking and any such payment so made or expense 
reasonably incurred in the performance or attempted performance of 
any such covenant, agreement or undertaking shall be, and is hereby 
declared by Grantor to be, a part of the Secured Indebtedness, and 
Grantor promises, upon demand, to pay to the holder at the office 
of Bank set forth hereinabove all sums so advanced or paid by the 
holder, with interest at the highest lawful rate per annum from the 
date paid or incurred by the holder.  No such payment by the holder 
shall in any way be considered or constitute a waiver of any such 
default or of the holder's right to declare the Secured 
Indebtedness at once due and payable.  In addition to the lien and 
security interest hereof, the holder shall be subrogated to all 
rights and liens securing the payment of any debt, claim, tax or 
assessment for the payment of which it shall have made such 
advance.

     4.3     Upon the occurrence of an Event of Default, (i) 
Grantor shall be in default hereunder and the entire principal 
amount of and all interest then accrued on the Note, and any other 
obligations, indebtedness and liabilities hereunder, shall become 
immediately due and payable, all without notice and without 
presentment, demand, protest, notice of protest or dishonor, notice 
of intent to accelerate and notice of acceleration, or any other 
notice of default of any kind, all of which are hereby expressly 
waived by Grantor, and (ii) in any other such event, Grantor shall 
be in default hereunder, and Bank may, at its option, declare the 
principal of and all interest then accrued on the Note, and any 
other obligations, indebtedness and liabilities hereunder to be 
forthwith due and payable whereupon the same shall forthwith become 
due without presentment, demand, protest, notice of intent to 
accelerate and notice of acceleration or other notice of any kind, 
all of which Grantor hereby expressly waives, anything contained 
herein or in the Note to the contrary notwithstanding.  Nothing 
contained in this Article 4 shall be construed to limit or amend in 
any way the Events of Default enumerated in any other document 
executed in connection with the transaction contemplated herein or 
hereby.  Bank may thereupon avail itself of any of its legal and 
equitable rights and remedies, either by the institution of a suit 
or suits, in equity or at law, or in bankruptcy, in any court or 
courts of competent jurisdiction, whether for the specific 
performance of any covenant, undertaking or agreement contained 
herein or in the aid of any execution of any powers granted herein, 
or for any foreclosure hereof or hereunder, or for any sale of the 
Mortgaged Properties, or any part thereof, so far as may be 
authorized by law, or for the enforcement of such other or 
additional appropriate legal or equitable remedies as Bank may deem 
most effectual to protect and enforce the aforesaid rights.  

     4.4     Upon the occurrence of an Event of Default, the holder 
may, at its option, and is hereby authorized, prior or subsequent 
to the exercise of any remedies under Section 4.3 hereof, to enter 
upon the Mortgaged Properties, or any part thereof, and to take 
possession of the Mortgaged Properties in the possession of Grantor 
or Grantor's Successors, and may exclude Grantor or Grantor's 
Successors, and all persons claiming under Grantor, wholly or 
partly therefrom; and, holding the same, the holder may exercise 
without interference from Grantor or Grantor's Successors, any and 
all rights which Grantor has with respect to the management, 
possession, operation, protection or preservation of the Mortgaged 
Properties, and the holder may use, administer, manage, operate and 
control the Mortgaged Properties and conduct the business thereof 
to the same extent as Grantor or Grantor's Successors might at the 
time do and may exercise all rights and powers of Grantor, in the 
name, place and stead of Grantor, or otherwise as the holder shall 
deem best. All costs, expenses and liabilities of every character 
incurred by the holder shall be a demand obligation owed by Grantor 
to holder and shall bear interest at the highest lawful rate per 
annum and shall constitute a portion of the Secured Indebtedness 
and shall be secured by this Mortgage and all of the Security 
Instruments.  If necessary to obtain the possession provided for 
hereinabove, the holder, as the case may be, may invoke any one or 
more actions for forcible entry and detainer, trespass to try title 
and restitution. In connection with any action taken by the holder 
pursuant to this Section 4.4, the holder shall not be liable for 
any loss sustained by Grantor resulting from any act or omission of 
the holder in managing the Mortgaged Properties, unless such loss 
is caused by the willful misconduct or bad faith of the holder.  
Grantor hereby agrees to indemnify and hold harmless the holder 
from and against any and all liability, loss or damage which may be 
incurred by reason of the exercise of rights or remedies hereunder.  
Should the holder incur any such liability by reason of this 
Mortgage or the exercise of rights or remedies hereunder or in 
defense of any such claims or demands, the amount thereof, 
including without limitation, costs, expenses and reasonable 
attorneys' fees, shall be a demand obligation owing by Grantor to 
the holder and shall bear interest each day from the date incurred 
until paid at the highest lawful rate per annum and shall be a part 
of the Secured Indebtedness and shall be secured by this Mortgage 
and all of the Security Instruments.  Grantor hereby consents to, 
ratifies and conforms any and all actions of the holder with 
respect to the Mortgaged Properties taken under this Section 4.4.

     4.5     The Bank may institute suit to foreclose this Mortgage 
in any court having jurisdiction.  In any such suit the Bank may, 
at its option, apply for and be entitled to, as a matter or right 
and without proof of insolvency, fraud, insecurity, or 
mismanagement on the part of the Grantor, the appointment of a 
receiver to take possession of, operate, and preserve the Mortgaged 
Properties.  Grantor agrees that such receiver may be appointed to 
take possession of, hold, maintain, operate and preserve said 
property, including the production and sale of all oil, gas and 
other minerals therefrom, and apply the proceeds of the sale 
thereof to the payment of the Secured Indebtedness due the Bank 
until such Secured Indebtedness and costs are fully paid; and said 
receiver may be authorized to sell and dispose of said property 
under orders of the court appointing him such receiver.  

     4.6     Bank is authorized to receive the proceeds of said 
sale or sales made pursuant to Section 4.3 or Section 4.5 hereof 
and apply the same as follows: First, to the payment of all 
necessary costs and expenses incident to the execution of said 
trust, including but not limited to all court costs and changes of 
every character in the event foreclosure is by suit; Second, to the 
payment of the Secured Indebtedness in such order as the holder 
shall elect; and Third, the balance, if any, remaining after the 
full and final payment of the Secured Indebtedness, to Grantor or 
Grantor's Successors.

     4.7     It is agreed that in any deed or deeds given pursuant 
to the exercise of a power of sale, any and all statements of fact 
or other recitals therein made as to the identity of the holder or 
as to the occurrence or existence of any default, or as to the 
acceleration of the maturity of the Secured Indebtedness, or as to 
the request to sell, notice of sale, time, place, terms and manner 
of sale, and receipt, distribution and application of the money 
realized therefrom, and, without being limited by the foregoing, as 
to any act or thing having been duly done by the holder, or any of 
them if there be more than one, shall be taken by all courts of law 
and equity as prima facie evidence that the said statements of 
recitals state facts and are without further question to be so 
accepted, and Grantor does hereby ratify and confirm any and all 
acts that Bank may lawfully do in the premises by virtue hereof.

     4.8     In case the lien and security interest hereof shall be 
foreclosed by judicial action, the purchaser at any sale shall 
receive, as an incident to its ownership, immediate possession of 
the property purchased, and Grantor agrees for Grantor and for all 
persons claiming under Grantor, that if Grantor or any such person 
shall hold possession of said property, or any part thereof, 
subsequent to foreclosure, Grantor or the parties so holding 
possession shall be considered as tenants at sufferance of the 
purchaser at foreclosure sale, and anyone occupying the property 
after demand for possession thereof shall be guilty of forcible 
detainer and shall be subject to eviction and removal, forcible or 
otherwise, with or without process of law, and all damages by 
reason thereof are hereby expressly waived.

     4.9     Upon the occurrence of an Event of Default, the holder 
may, at its election, proceed by suit or suits, at law or in 
equity, to enforce the payment of the Secured Indebtedness in 
accordance with the terms hereof and of the notes or other 
instruments evidencing it, to foreclose the lien and security 
interest of this Mortgage as against all or any portion of the 
Mortgaged Properties, and to have said properties sold under the 
judgment or decree of a court of competent jurisdiction Pursuant to 
Section 39-5-19 N.M. S.A.  1978 Comp., Grantor agrees that the 
redemption period shall be limited to one (1) month.  To the full 
extent Grantor may do so, Grantor agrees that Grantor will not at 
any time insist upon, plead, claim or take the benefit or advantage 
of any law now or hereafter in force providing for any 
appraisement, valuation, stay, extension or redemption, and 
Grantor, for Grantor and Grantor's Successors, and for any and all 
persons ever claiming any interest in the Mortgaged Properties, or 
any part thereof, to the extent permitted by law, hereby waives and 
releases all rights or redemption, valuation, appraisement, stay of 
execution, notice of intention to mature or declare due the whole 
of the Secured Indebtedness, and all rights to a marshalling of the 
assets of Grantor, including the Mortgaged Properties, or to a sale 
in inverse order of alienation in the event of foreclosure of the 
liens and security interests hereby created.  On or at any time 
after the filing of judicial proceedings to protect or enforce the 
rights of the holder, the holder, as a matter of right and without 
regard to the sufficiency of the security, and without any showing 
of insolvency, fraud or mismanagement on the part of Grantor, shall 
be entitled to the appointment of a receiver or receivers of the 
Mortgaged Properties, and of the income, rents, issues, products, 
profits and proceeds thereof.  

     4.10     It is agreed that Bank or any other holder may be the 
purchaser of the Mortgaged Properties, or of any part thereof, at 
any sale thereof, whether such sale be under the power of sale or 
upon any other foreclosure of the lien and security interest hereof 
or otherwise, and Bank or other holder so purchasing shall, upon 
any such purchase, acquire good title to the Mortgaged Properties 
so purchased, free of the lien and security interest of these 
presents.

     4.11     To the full extent permitted by applicable law, 
Grantor agrees that it will not at any time insist upon, plead, 
claim or take the benefit or advantage of any law now or hereafter 
in force providing for any appraisement, valuation, stay, extension 
or redemption, and Grantor, for Grantor and Grantor's Successors, 
and for any and all persons claiming any interest in the Mortgaged 
Properties, hereby waives and releases, except as expressly 
provided herein, all rights of redemption, valuation, stay of 
execution, notice of intention or the election to accelerate the 
Secured Indebtedness and all rights to a marshalling of assets of 
Grantor, including the Mortgaged Properties, or to a sale in the 
inverse order of alienation in the event of foreclosure of the 
liens and/or security interests hereby created.

     4.12     The rights and remedies hereinabove expressly 
conferred are cumulative of all other rights and remedies herein, 
or by law or in equity provided, and shall not be deemed to deprive 
the holder of any such other legal or equitable rights or remedies, 
by judicial proceedings or otherwise, appropriate to enforce the 
conditions, covenants and terms of this Mortgage and of the notes 
or other instruments evidencing the Secured Indebtedness, and the 
employment of any remedy hereunder, or otherwise, shall not prevent 
the concurrent or subsequent employment of any other appropriate 
remedy or remedies.

     4.13     The procedures for foreclosure and all other 
provisions of this Article 4 relating to remedies upon default and 
related matters shall be modified to the extent necessary to comply 
with the laws of the state where the Mortgaged Properties are 
located.  It is the intent of Grantor that this Mortgage shall be 
legal and enforceable in any state where the Mortgaged Properties, 
or any part thereof, are located and that the provisions hereof 
shall be modified only to the extent necessary to comply with the 
laws of such state, and that all other provisions contained herein 
shall be in no way affected or impaired by the necessity to so 
modify some or all of the provisions of this Article 4.

                            ARTICLE 5
                      ASSIGNMENT OF PRODUCTION

     5.1     In order further to secure the payment of the Secured 
Indebtedness, Grantor does hereby TRANSFER, ASSIGN and CONVEY unto 
and in favor of the holder all of the interest of Grantor in the 
oil, gas, casinghead gas, condensate, distillate, liquid 
hydrocarbons, gaseous hydrocarbons and other minerals (herein 
collectively referred to as the "Hydrocarbons"), in and under, or 
which may be produced from, the Mortgaged Properties, or allocated 
thereto pursuant to pooling or unitization of the Leases or 
otherwise, together with all accounts, contract rights, general 
intangibles, products and proceeds arising from or derived from the 
sale, transfer or other disposition of such Hydrocarbons on and 
after the date of the execution of this Mortgage.

     5.2     The foregoing assignment is made upon, and subject to, 
the following terms:

          (a)     The holder may give written or telegraphic notice 
to all of the parties producing, purchasing, taking, possessing or 
receiving any such Hydrocarbons, or having in their possession any 
such Hydrocarbons belonging to Grantor or such proceeds for which 
they or others are accountable to the holder by virtue of the 
provisions of this Section 5.2, to hold and dispose of such 
Hydrocarbons for the account of the holder and to make payment of 
such proceeds direct to the holder at its principal office, and the 
holder shall thereafter receive, collect and retain, subject to the 
provisions of Section 5.5, as part of the Mortgaged Properties, all 
such Hydrocarbons, all for the benefit and further security of the 
Secured Indebtedness.

          (b)     All parties producing, purchasing, taking, 
possessing, processing or receiving any such Hydrocarbons, or 
having in their possession any such Hydrocarbons or such proceeds 
for which they or others are accountable to the holder by virtue of 
the provisions of this Section 5.2, are authorized and directed by 
Grantor, upon receipt of notice by the holder given pursuant to 
Subsection 5. 2(a) above, to treat and regard the holder as the 
assignee and transferee of Grantor and entitled in its place and 
stead to receive such Hydrocarbons and proceeds; and such parties 
and each of them shall be fully protected in so treating and 
regarding the holder and shall be under an obligation to see to the 
application by the holder of any such proceeds received by it.  
Until such notice is received by such parties, payment of all 
proceeds attributable to such Hydrocarbons shall be payable 
directly to Grantor.  Without in any way limiting the effectiveness 
of the authorization and direction in the next preceding sentence, 
if Grantor shall hold such proceeds which under this Section 5.2 
are receivable by the holder, Grantor will hold the same in trust 
and will remit such proceeds, or cause such proceeds to be 
remitted, immediately, to the holder.   

          (c)     Without limiting the foregoing provisions of this 
Article 5, Grantor stipulates that this Article 5 is intended to 
grant to the holder a security interest in Grantor's interest in 
the Hydrocarbons to be extracted from or attributable to the 
Mortgaged Properties, and in and to the proceeds resulting from the 
sale thereof at the well head.

     5.3     Grantor covenants, agrees and specifically undertakes 
hereby, to cause, after Bank shall have so requested, all pipeline 
companies or other purchasers of the Hydrocarbons to pay promptly 
to the holder at its principal office, Grantor's interest in the 
proceeds derived from the sale thereof, in accordance with the 
terms of this assignment, and forthwith to execute, acknowledge and 
deliver to such pipeline companies and other purchasers such 
further and proper division orders, transfer orders, certificates 
and other documents as may be necessary or proper to effect the 
intent of these presents; and the holder shall not be required at 
any time, as a condition to its right to obtain the proceeds of the 
Hydrocarbons, to warrant its title thereto or to make any guaranty 
whatsoever.  In addition, and without limitation, Grantor 
covenants, agrees and specifically undertakes hereby, to provide to 
the holder the name and address of every pipeline company or other 
purchaser of the oil, gas and other minerals produced from or 
allocated to the Mortgaged Properties when determined, together 
with a copy of the applicable purchase and sales contracts.  All 
expenses incurred by the holder in the collection of such proceeds 
shall be repaid promptly by Grantor; and prior to such repayment, 
such expenses shall be a part of the Secured Indebtedness.

     5.4     Without limitation upon any of the foregoing, Grantor 
hereby designates and appoints the holder as Grantor's true and 
lawful agent and attorney-in-fact (with full power of substitution, 
either generally or for such periods or purposes as the holder may 
from time to time prescribe), with full power and authority, for 
and on behalf of and in the name of Grantor and only upon an Event 
of Default, to execute, acknowledge and deliver all such division 
orders, transfer orders, certificates and other documents of every 
nature, with such provisions as may from time to time, in the 
opinion of the holder, be necessary or proper to effect the intent 
and purpose of the assignment contained in this Article 5; and to 
demand, collect, receive and sue for, in the holder's own name or 
in the name of Grantor, all cash, other distributions or proceeds 
due or which may become due to Grantor by virtue of the Mortgaged 
Properties or any part thereof or interest therein, with the 
absolute right in the holder to rehypothecate, pledge, compromise, 
settle or discharge the same and to do all acts and things 
necessary or convenient for any such purpose, including, without 
limitation, the right to give good and sufficient receipts and 
releases; to endorse the name of Grantor upon any and all checks, 
drafts, money orders and other instruments for the payment of 
monies which are payable to Grantor and constitute collections on 
the Mortgaged Properties; and to perform such other and further 
acts and deeds in the name of Grantor which the holder may deem 
necessary and appropriate; and Grantor shall be bound thereby as 
fully and effectively as if Grantor had personally executed, 
acknowledged and delivered any of the foregoing certificates or 
documents; as if Grantor had personally demanded, collected, 
received and/or sued for any and all cash, other distributions or 
proceeds; as if Grantor had personally done any and all acts and 
things necessary or convenient for any such purpose; as if Grantor 
had personally endorsed Grantor's own name upon any and all checks, 
drafts, money orders and other instruments; and as if Grantor 
personally performed such other and further acts and deeds in 
Grantor's own name which the holder deemed necessary and 
appropriate; PROVIDED, HOWEVER, notwithstanding anything contained 
herein to the contrary, the Assignment of Production contained in 
Section 5.1 hereof, and the holders rights thereunder, shall be 
absolute and shall not be conditioned upon the occurrence of an 
Event of Default.  The powers and authorities herein conferred on 
the holder may be exercised by the holder through any person who, 
at the time of exercise, is an officer of the holder. The power of 
attorney conferred by this Section 5.4 is granted for valuable 
consideration and coupled with an interest and is irrevocable so 
long as the Secured Indebtedness, or any part thereof, shall remain 
unpaid.  All persons dealing with the holder, or any substitute, 
shall be fully protected in treating the powers and authorities 
conferred by this Section 5.4 as continuing in full force and 
effect until advised by the holder that the Secured Indebtedness is 
fully and finally paid.

     5.5     All proceeds received by the holder in collected funds 
pursuant to this Article 5 shall be placed in a collateral 
collection account at Bank, and the holder is hereby authorized to 
apply all such proceeds as follows: First, to the payment of all 
necessary costs and expenses incident to the receipt and collection 
of such proceeds; Second, to the payment of the Secured 
Indebtedness in such order as the holder shall elect; and Third, 
the balance, if any, remaining after the full and final payment of 
the Secured Indebtedness, to Grantor or Grantor's Successors.

     5.6     Should any person or entity now or hereafter 
purchasing or taking any part of the Hydrocarbons fail to make 
payment promptly to the holder for the purchase price of such 
Hydrocarbons, after notice pursuant to this Article 5, the holder 
shall have the right to make or to require Grantor to make, a 
change of connection and the right to designate or approve the 
purchaser with whose facilities a new connection shall be made, and 
the holder shall be without liability or responsibility in 
connection therewith so long as ordinary care is used in making 
such designation.

     5.7     The holder shall never be under any obligation to 
enforce the collection of the funds assigned to it hereunder, nor 
shall it ever be liable for failure to exercise diligence in the 
collection of such funds, but it shall only be accountable for the 
sums that it shall actually receive.

                             ARTICLE 6
                         SECURITY AGREEMENT

     6.1     With respect to all personal property and fixtures 
comprising a part of the Mortgaged Properties, together with all 
proceeds and products thereof (hereinafter collectively referred to 
as the "Collateral"), this Mortgage shall likewise be a security 
agreement, and for a valuable consideration, the receipt and 
sufficiency of which are hereby acknowledged, and for the purpose 
of further securing payment and performance of the Secured 
Indebtedness, Grantor hereby grants to Bank a security interest in 
the Collateral including, without limitation, all rights now owned 
and at any time hereafter acquired by Grantor in all (a) oil, gas 
and other minerals produced from or allocated to the Mortgaged 
Properties, (b) accounts, chattel paper and general intangibles 
arising in connection with the sale or other disposition of such 
production, or otherwise associated with the Mortgaged Properties, 
(c) equipment, materials, other personal property, and fixtures at 
any time used on or in connection with the Mortgaged Properties or 
in connection with such production, and (d) geological, 
geophysical, engineering, accounting, title, legal and other 
technical or business data concerning the Mortgaged Properties, and 
the Hydrocarbons which are in the possession of Grantor or in which 
Grantor can otherwise grant a security interest, and all books, 
files, records, seismic, magnetic media and other forms of 
recording or obtaining access to such data, together with all 
access ions, additions, proceeds, products, replacements, 
substitutions, and modifications to or for any of the foregoing.

     6.2     Grantor hereby assigns to Bank Grantor's security 
interests and liens and all other interests of Grantor arising 
pursuant to or perfected by any instrument to which Grantor is a 
party affecting real property in which Grantor is an interest 
owner, as provided in the New Mexico Products Lien Act, Sections 
48-9-1 et seq. N.M.S.A. 1978 Comp., by virtue of the first sale of 
Hydrocarbons produced from the Mortgaged Properties.

     6.3     Grantor represents and warrants that, except for any 
financing statement now in force filed by Bank, or as shown on 
Exhibit "A", no financing statement covering the Collateral, or any 
part thereof, has been filed with any filing officer, and no other 
security interest now in force has attached or been perfected in 
the Collateral, or any part thereof.

     6.4     This Mortgage shall be effective as a financing 
statement filed as a fixture filing with respect to all of the 
Collateral which is or will become fixtures related to the Lands 
and Leases and is to be filed for record as a financing statement 
in the real estate records of each county where any part of the 
Mortgaged Properties (including such fixtures) is situated.  Such 
of the Mortgaged Properties which constitute minerals or the like 
(including oil and gas) or accounts subject to subsection (5) of 
Section 55-9-103 of the New Mexico Uniform Commercial Code are or 
will be financed at the wellhead or minehead of the well or mine 
located on the Lands described in Exhibit "A". This Mortgage shall 
also be effective as a financing statement covering such minerals 
or the like (including oil and gas) and such accounts, and, where 
so permitted or required, is to be filed for record as such a 
financing statement in the real estate records for each county 
where a mortgage on the Mortgaged Properties would be filed or 
recorded.  The above goods are or are to become fixtures on the 
Lands.  The record owner of the real estate interest covered by 
this Mortgage is Grantor.

                            ARTICLE 7
                          MISCELLANEOUS

     7.1     Upon the full and final payment of the Secured 
Indebtedness, this Mortgage shall be extinguished and be of no 
further force and effect; and the Mortgaged Properties shall become 
wholly free and clear hereof and all of the property as assigned 
hereby shall be automatically reassigned to Grantor without any 
further act being required; and the holder, upon the request and at 
the expense of Grantor, shall promptly deliver to Grantor such 
instruments evidencing the Secured Indebtedness, marked "Paid", and 
execute and deliver to Grantor and others a release of this 
Mortgage and such other instruments of satisfaction as may be 
appropriate.

     7.2     The rights, titles, interests, liens and powers 
hereunder are cumulative of each other and of all other rights, 
titles, interests, liens and powers which may now or hereafter 
exist to secure the payment of the Secured Indebtedness to the 
holder, or any part thereof.  The security herein and hereby 
provided shall not affect or be affected by any other Security 
Instrument or by any other or further security heretofore or 
hereafter taken for the Secured Indebtedness or any part thereof.  
Grantor, for Grantor and Grantor's Successors, and for any and all 
persons ever claiming any interest in the Mortgaged Properties, 
hereby waives all rights of marshalling in event of foreclosure of 
the lien hereby created.  No failure to exercise and no delay in 
exercising on the part of the holder any - right, power or 
privilege hereunder shall operate as a waiver thereof, nor shall 
any single or partial exercise of any right, power or privilege 
preclude any other or further exercise thereof, or the exercise of 
any other right, power or privilege.

     7.3     For all purposes of this instrument, the post office 
address of Bank shall be: P.O. Box 665415, Dallas, Texas 75265-
5415, Attention: Reed V. Thompson, Vice President, and the post 
office address of Grantor shall be: 999 18th Street, Suite 1700, 
Denver, Colorado, 80202, Attention: George O. Mallon, Jr., 
President.

     7.4     No provision herein or in any promissory note, 
instrument, or any other loan document executed by Grantor 
evidencing the Secured Indebtedness shall require the payment or 
permit the collection of interest in excess of the maximum 
permitted by law.  If any excess of interest in such respect is 
provided for herein or in any such promissory note, instrument, or 
any other loan document, the provisions of this Section 7.4 shall 
govern, and Grantor shall not be obligated to pay the amount of 
such interest to the extent that it is in excess of the amount 
permitted by law.  The intention of the parties being to conform 
strictly to the usury laws now in force, all promissory notes, 
instruments and other loan documents executed by Grantor evidencing 
the Secured Indebtedness shall be held subject to reduction to the 
amount allowed under said usury laws as now or hereafter construed 
by the courts having jurisdiction.

     7.5     Grantor hereby grants, assigns and conveys unto Bank 
all of Grantor's rights to payments and liens and security 
interests in the Mortgaged Properties provided for in the New 
Mexico Oil and Gas Proceeds Payment Act, Sections 70-10-1 et seq. 
N.M.S.A. 1978 Comp.

     7.6     These presents shall be binding upon the Grantor and 
Grantor's Successors, and shall inure to the benefit of the holder, 
its successors and assigns, and shall be covenants running with the 
Lands.

     7.7     In the event that any one or more of the provisions 
contained in this Mortgage shall be invalid, illegal or 
unenforceable in any respect under any law, the validity, legality 
and enforceability of the remaining provisions contained herein 
shall not in any way be affected or impaired thereby.  

     7.8     THIS MORTGAGE SHALL BE GOVERNED BY AND CONSTRUED IN 
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW MEXICO.

     7.9     This Mortgage has simultaneously been executed in a 
number of identical counterparts, each of which, for all purposes, 
shall be deemed an original, and all of which are identical except 
that, to facilitate recordation, in any particular counterpart, 
portions of Exhibit "A" which describe properties and interests 
situated in counties other than the county in which such particular 
counterpart is to be recorded may have been omitted.

     7.10     The use of any particular pronoun herein shall mean 
and be construed to include the plural and singular number of such 
pronoun, whenever and wherever appropriate and applicable, and 
shall mean and be construed to include the masculine, feminine or 
neuter gender of such pronoun, whenever and wherever appropriate 
and applicable.

     7.11     The effective date of the assignment contained in 
Article 5 is the date of execution of this Mortgage at 7:00 o'clock 
am.

     THE PARTIES HAVE EXECUTED this Mortgage in multiple 
counterparts on the date of their respective acknowledgments set 
out below, the Mortgage to be effective as of the 20th day of 
March, 1996.

                         MORTGAGOR-DEBTOR:

                         MALLON OIL COMPANY,
                         a Colorado corporation



                         By:  /s/ Kevin M. Fitzgerald
                              Kevin M. Fitzgerald,
                              President

                         MORTGAGEE-SECURED PARTY:

                         BANK ONE, TEXAS, N A., 
                         a national banking association


                         By: /s/ Reed V. Thompson    
                              Reed V. Thompson,
                              Vice President

THE STATE OF TEXAS

COUNTY OF DALLAS

     THIS INSTRUMENT was acknowledged before me on the 19th day of 
March, 1996, by Kevin M. Fitzgerald, President of Mallon Oil 
Company, a Colorado corporation, on behalf of said corporation.


                         __/s/ Julia A. Tillman___________
                         Notary Public, State of Texas

My Commission Expires:  6/14/97

________________________     __________________________________
                         (Printed or Typed Name of Notary)

THE STATE OF TEXAS

COUNTY OF DALLAS

     THIS  INSTRUMENT was acknowledged before me on the 19th day of 
March, 1996, by Reed V. Thompson, Vice President of BANK ONE, 
TEXAS, N.A., a national banking association, on behalf of said 
association.


                         __/s/  Julia A. Tillman_______________
                         Notary Public, State of Texas
My Commission Expires: 6/14/97

________________________     ___________________________________
                         (Printed or Typed Name of Notary)



                           UNLIMITED GUARANTY

     THIS UNLIMITED GUARANTY ("Guaranty") is made as of the 20th day of 
March, 1996, by Guarantor (as hereinafter defined) for the benefit of 
Bank (as hereinafter defined).

     1.  Definitions.  As used in this Guaranty, the following terms 
shall have the meanings indicated below:

          (a)     The term "Bank" shall mean BANK ONE, TEXAS, NATIONAL 
ASSOCIATION, whose address for notice purposes is the following:

                            1717 Main Street 
                   Dallas, Dallas County, Texas 75201
                         Attn: Reed V. Thompson

          (b)     The term "Borrower" (whether one or more shall mean 
the following:

                           Mallon Oil Company

          (c)     The term "Guarantor" shall mean Mallon Resources 
Corporation, whose address for notice purposes is the following:

                        999 18th Street, Suite 1700
                         Denver, Colorado 80202

          (d)     The term "Guaranteed Indebtedness" shall mean (i) all 
indebtedness, obligations and liabilities of Borrower to Bank of any 
kind or character now existing or hereafter arising, whether direct, 
indirect, related, unrelated, fixed, contingent, liquidated, 
unliquidated, joint, several or joint and several, and regardless of 
whether such indebtedness, obligations and liabilities may, prior to 
their acquisition by Bank, be or have been payable to or in favor of a 
third party and subsequently acquired by Bank (it being contemplated 
that Bank may make such acquisitions from third parties), including 
without limitation all indebtedness, obligations and liabilities of 
Borrower to Bank now existing or hereafter arising by note, draft, 
acceptance, guaranty, endorsement, letter of credit, assignment, 
purchase, overdraft, discount, indemnity agreement or otherwise, (ii) 
all accrued but unpaid interest on any of the indebtedness described in 
(i) above, (iii) all obligations of Borrower to Bank under any documents 
evidencing, securing, governing and/or pertaining to all or any part of 
the indebtedness described in (i) and (ii) above, (iv) all costs and 
expenses incurred by Bank in connection with the collection and 
administration of all or any part of the indebtedness and obligations 
described in (i), (ii) and (iii) above or the protection or preservation 
of, or realization upon, the collateral securing all or any part of such 
indebtedness and obligations, including without limitation all 
reasonable attorneys' fees, and (v) all renewals, extensions, 
modifications and rearrangements of the indebtedness and obligations 
described in (i), (ii), (iii) and (iv) above.

     2.     Obligations.  As an inducement to Bank to extend or continue 
to extend credit and other financial accommodations to Borrower, 
Guarantor, for value received, does hereby unconditionally and 
absolutely guarantee the prompt and full payment and performance of the 
Guaranteed Indebtedness when due or declared to be due and at all times 
thereafter.

     3.     Character of Obligations.  This is an absolute, continuing 
and unconditional Guaranty of payment and not of collection and if at 
any time or from time to time there is no outstanding Guaranteed 
Indebtedness, the obligations of the Guarantor with respect to any and 
all Guaranteed Indebtedness of Borrower to Bank incurred thereafter 
shall not be affected.  All Guaranteed Indebtedness heretofore, 
concurrently herewith or hereafter made by Bank to Borrower shall be 
conclusively presumed to have been made or acquired in acceptance 
hereof.  Guarantor shall be primarily liable, jointly and severally, 
with Borrower and any other guarantor of all or any part of the 
Guaranteed Indebtedness.

     4.     Right of Revocation.  Guarantor understands and agrees that 
Guarantor may revoke Guarantor's future obligations under this Guaranty 
at any time by giving Bank written notice that Guarantor will not be 
liable hereunder for any indebtedness or obligations of Borrower 
incurred on or after the effective date of such revocation.  Such 
revocation shall be deemed to be effective on the day following the day 
the Bank receives such notice delivered either by (a) personal delivery 
to the address and designed department of Bank identified in 
subparagraph 1(a) above, or (b) United States mail, registered or 
certified, return receipt requested, postage prepaid, addressed to Bank 
at the address shown in subparagraph 1(a) above.   Notwithstanding such 
revocation, Guarantor shall remain liable on Guarantor's obligations 
hereunder until payment in full to Bank of (x) all of the Guaranteed 
Indebtedness that is outstanding on the effective date of such 
revocation, and any renewals and extensions thereof, and (y) all loans, 
advances and other extensions of credit made to or for the account of 
Borrower on or after the effective date of such revocation pursuant to 
the obligation of Bank under a commitment or agreement made to or with 
Borrower prior to the effective date of such revocation.  The terms and 
conditions of this Guaranty, including without limitation the consents 
and waivers set forth in paragraph 7 hereof, shall remain in effect with 
respect to the Guaranteed Indebtedness described in the preceding 
sentence in the same manner as if such revocation had not been made by 
Guarantor.

     5.     Representations and Warranties.  Guarantor hereby represents 
and warrants the following to Bank:

          (a)     This Guaranty may reasonably be expected to benefit, 
directly or indirectly, Guarantor, and (i) if Guarantor is a 
corporation, the Board of Directors of Guarantor has determined that 
this Guaranty may reasonably be expected to benefit, directly or 
indirectly, Guarantor, or (ii) if Guarantor is a partnership, the 
requisite number of Guarantor's partners have determined that this 
Guaranty may reasonably be expected to benefit, directly or indirectly, 
Guarantor;

          (b)     Guarantor is familiar with, and has independently 
reviewed the books and records regarding, the financial condition of 
Borrower and is familiar with the value of any and all collateral 
intended to be security for the payment of all or any part of the 
Guaranteed Indebtedness; provided, however, Guarantor is not relying on 
such financial condition or collateral as an inducement to enter into 
this Guaranty;

          (c)     Guarantor has adequate means to obtain from Borrower 
on a continuing basis information concerning the financial condition of 
Borrower and Guarantor is not relying on Bank to provide such 
information to Guarantor either now or in the future;

          (d)     Guarantor has the power and authority to execute, 
deliver and perform this Guaranty and any other agreements executed by 
Guarantor contemporaneously herewith, and the execution, delivery and 
performance of this Guaranty and any other agreements executed by 
Guarantor contemporaneously herewith does not and will not violate (i) 
any agreement or instrument to which Guarantor is a party, (ii) any law, 
rule, regulation or order of any governmental authority to which 
Guarantor is subject, or (iii) Guarantor's Articles of Incorporation or 
Bylaws if Guarantor is a corporation, or Guarantor's Partnership 
Agreement if Guarantor is a partnership;

          (e)     Neither Bank nor any other party has made any 
representation, warranty or statement to Guarantor in order to induce 
Guarantor to execute this Guaranty;

          (f)     The financial statements and other financial 
information regarding Guarantor heretofore and hereafter delivered to 
Bank are and shall be true and correct in all material respects and 
fairly present the financial position of Guarantor as of the dates 
thereof, and no material adverse change has occurred in the financial 
condition of Guarantor reflected in the financial statements and other 
financial information regarding Guarantor heretofore delivered to Bank 
since the date of the last statement thereof; and 

          (g)     As of the date hereof, and after giving effect to this 
Guaranty and the obligations evidenced hereby, (i) Guarantor is and will 
be solvent, (ii) the fair saleable value of Guarantor's assets exceeds 
and will continue to exceed Guarantor's liabilities (both fixed and 
contingent), (iii) Guarantor is and will continue to be able to pay 
Guarantor's debts as they mature, and (iv) if Guarantor is not an 
individual, Guarantor has and will continue to have sufficient capital 
to carry on its business and all businesses in which it is about to 
engage.

     6.     Covenants.  Guarantor hereby covenants and agrees with Bank 
as follows:

          (a)     Guarantor shall not, so long as Guarantor's 
obligations under this Guaranty continue, transfer or pledge any 
material portion of Guarantor's assets for less than full and adequate 
consideration;

          (b)     Guarantor shall promptly furnish to Bank at any time 
and from time to time such financial statements and other financial 
information of Guarantor as the Bank may require, in form and substance 
satisfactory to Bank;

          (c)     Guarantor shall comply with all terms and provisions 
of the instruments and agreements evidencing, governing and securing all 
or any part of the Guaranteed Indebtedness that apply to Guarantor; and 

          (d)     Guarantor shall promptly inform Bank of (i) any 
litigation or governmental investigation against Guarantor or affecting 
any security for all or any part of the Guaranteed Indebtedness or this 
Guaranty which, if determined adversely, might have a material adverse 
effect upon the financial condition of Guarantor or upon such security 
or might cause a default under any of the instruments or agreements 
evidencing, governing or securing all or any part of the Guaranteed 
Indebtedness, (ii) any claim or controversy which might become the 
subject of such litigation or governmental investigation, and (iii) any 
material adverse change in the financial condition of Guarantor.

     7.     Consent and Waiver.

          (a)     Guarantor waives (i) promptness, diligence and notice 
of acceptance of this Guaranty and notice of the incurring of any 
obligation, indebtedness or liability to which this Guaranty applies or 
may apply and waives presentment for payment, notice of nonpayment, 
protest, demand, notice of protest, notice of intent to accelerate, 
notice of acceleration, notice of dishonor, diligence in enforcement and 
indulgences of every kind, and (ii) the taking of any other action of 
Bank, including without limitation giving any notice of default or any 
other notice to, or making any demand on, Borrower, any other guarantor 
of all or any part of the Guaranteed Indebtedness or any other party.

          (b)     Guarantor waives any rights Guarantor has under, or 
any requirements imposed by, Chapter 34 of the Texas Business and 
Commerce Code, as in effect on the date of this Guaranty or as it may be 
amended from time to time.

          (c)     Bank may at any time, without the consent of or notice 
to Guarantor, without incurring responsibility to Guarantor and without 
impairing, releasing, reducing or affecting the obligations of Guarantor 
hereunder:  (i) change the manner, place or terms of payment of all or 
any part of the Guaranteed Indebtedness, or renew, extend, modify, 
rearrange or alter all or any part of the Guaranteed Indebtedness; (ii) 
sell, exchange, release, surrender, subordinate, realize upon or 
otherwise deal with in any manner and in any order any collateral for 
all or any part of the Guaranteed Indebtedness or this Guaranty or 
setoff against all or any part of the Guaranteed Indebtedness; (iii) 
neglect, delay, omit, fail or refuse to take or prosecute any action for 
the collection of all or any part of the Guaranteed Indebtedness or this 
Guaranty or to take or prosecute any action in connection with any 
instrument or agreement evidencing, governing or securing all or any 
part of the Guaranteed Indebtedness or this Guaranty; (iv) exercise or 
refrain from exercising any rights against Borrower or others, or 
otherwise act or refrain from acting; (v) settle or compromise all or 
any part of the Guaranteed Indebtedness and subordinate the payment of 
all or any part of the Guaranteed Indebtedness to the payment of any 
obligations, indebtedness or liabilities which may be due or become due 
to Bank or others; (vi) apply any deposit balance, fund, payment, 
collections through process of law or otherwise or other collateral of 
Borrower to the satisfaction and liquidation of the indebtedness or 
obligations of Borrower to Bank not guaranteed under this Guaranty 
pursuant to paragraph 4 herein; and (vii) apply any sums paid to Bank by 
Guarantor, Borrower or others to the Guaranteed Indebtedness in such 
order and manner as Bank, in its sole discretion, may determine.

          (d)     Notwithstanding any provision in this Guaranty to the 
contrary, Guarantor hereby waives and releases (i) any and all rights of 
subrogation, reimbursement, indemnification or contribution which 
Guarantor may have, after payment in full or in part of the Guaranteed 
Indebtedness, against others liable on all or any part of the Guaranteed 
Indebtedness, (ii) any and all rights to be subrogated to the rights of 
Bank in any collateral or security for all or any part of the Guaranteed 
Indebtedness after payment in full or in part of the Guaranteed 
Indebtedness, and (iii) any and all other rights and claims of such 
Guarantor against Borrower or any third party as a result of such 
Guarantor's payment of all or any part of the Guaranteed Indebtedness.

          (e)     Should Bank seek to enforce the obligations of 
Guarantor hereunder by action in any court or otherwise, Guarantor 
waives any requirement, substantive or procedural, that (i) Bank first 
enforce any rights or remedies against Borrower or any other person or 
entity liable to Bank for all or any part of the Guaranteed 
Indebtedness, including without limitation that a judgment first be 
rendered against Borrower or any other person or entity, or that 
Borrower or any other person or entity should be joined in such cause, 
or (ii) Bank shall first enforce rights against any collateral which 
shall ever have been given to secure all or any part of the Guaranteed 
Indebtedness or this Guaranty.  Such waiver shall be without prejudice 
to Bank's right, at its option, to proceed against Borrower or any other 
person or entity, whether by separate action or by joinder.

          (f)     In addition to any other waivers, agreements and 
covenants of Guarantor set forth herein, Guarantor hereby further waives 
and releases all claims, causes of action, defenses and offsets for any 
act or omission of Bank, its directors, officers, employees, 
representatives or agents in connection with Bank's administration of 
the Guaranteed Indebtedness, except for Bank's willful misconduct and 
gross negligence.

     8.     Obligations Not Impaired.

          (a)     Guarantor agrees that Guarantor's obligations 
hereunder shall not be released, diminished, impaired, reduced or 
affected by the occurrence of any one or more of the following events:  
(i) the death, disability or lack of corporate power of Borrower, 
Guarantor (except as provided in paragraph 11 herein) or any other 
guarantor of all or any part of the Guaranteed Indebtedness, (ii) any 
receivership, insolvency, bankruptcy or other proceedings affecting 
Borrower, Guarantor or any other guarantor of all or any part of the 
Guaranteed Indebtedness, or any of their respective property; (iii) the 
partial or total release or discharge of Borrower or any other guarantor 
of all or any part of the Guaranteed Indebtedness, or any other person 
or entity from the performance of any obligation contained in any 
instrument or agreement evidencing, governing or securing all or any 
part of the Guaranteed Indebtedness, whether occurring by reason of law 
or otherwise; (iv) the taking or accepting of any collateral for all or 
any part of the Guaranteed Indebtedness or this Guaranty; (v) the taking 
or accepting of any other guaranty for all or any part of the Guaranteed 
Indebtedness; (vi) any failure by Bank to acquire, perfect or continue 
any lien or security interest on collateral securing all or any part of 
the Guaranteed Indebtedness or this Guaranty; (vii) the impairment of 
any collateral securing all or any part of the Guaranteed Indebtedness 
or this Guaranty; (viii) any failure by Bank to sell any collateral 
securing all or any part of the Guaranteed Indebtedness or this Guaranty 
in a commercially reasonable manner or as otherwise required by law; 
(ix) any invalidity or unenforceability of or defect or deficiency in 
any instrument or agreement evidencing, governing or securing all or any 
part of the Guaranteed Indebtedness or this Guaranty; or (x) any other 
circumstances which might otherwise constitute a defense available to, 
or discharge of, Borrower or any other guarantor of all or any part of 
the Guaranteed Indebtedness.

          (b)     This Guaranty shall continue to be effective or be 
reinstated, as the case may be, if at any time any payment of all or any 
part of the Guaranteed Indebtedness is rescinded or must otherwise be 
returned by Bank upon the insolvency, bankruptcy or reorganization of 
Borrower, Guarantor, any other guarantor of all or any part of the 
Guaranteed Indebtedness, or otherwise, all as though such payment had 
not been made.

          (c)     In the event Borrower is a corporation, joint stock 
association or partnership, or is hereafter incorporated, none of the 
following shall affect Guarantor's liability hereunder:  (i) the 
unenforceability of all or any part of the Guaranteed Indebtedness 
against Borrower by reason of the fact that the Guaranteed Indebtedness 
exceeds the amount permitted by law; (ii) the act of creating all or any 
part of the Guaranteed Indebtedness is ultra vires; or (iii) the 
officers or partners creating all or any part of the Guaranteed 
Indebtedness acted in excess of their authority.  Guarantor hereby 
acknowledges that withdrawal from, or termination of, any ownership 
interest in Borrower now or hereafter owned or held by Guarantor shall 
not alter, affect or in any way limit the obligations of Guarantor 
hereunder.

     9.     Actions against Guarantor.  In the event of a default in the 
payment or performance of all or any part of the Guaranteed Indebtedness 
when such Guaranteed Indebtedness becomes due, whether by its terms, by 
acceleration or otherwise, Guarantor shall, without notice or demand, 
promptly pay the amount due thereon to Bank, in lawful money of the 
United States, at Bank's address set forth hereinabove.  One or more 
successive or concurrent actions may be brought against Guarantor, 
either in the same action in which Borrower is sued or in separate 
actions, as often as Bank deems advisable.  The exercise by Bank of any 
right or remedy under this Guaranty or under any other agreement or 
instrument, at law, in equity or otherwise, shall not preclude 
concurrent or subsequent exercise of any other right or remedy.  The 
books and records of Bank shall be admissible in evidence in any action 
or proceeding involving this Guaranty and shall be prima facie evidence 
of the payments made on, and the outstanding balance of, the Guaranteed 
Indebtedness.

     10.     Payment by Guarantor.  Whenever Guarantor pays any sum 
which is or may become due under this Guaranty, written notice must be 
delivered to Bank contemporaneously with such payment.  Such notice 
shall be effective for purposes of this paragraph when contemporaneously 
with such payment Bank receives such notice either by: (a) personal 
delivery to the address and designated department of Bank identified in 
subparagraph 1(a) above, or (b) United States mail, certified or 
registered, return receipt requested, postage prepaid, addressed to Bank 
at the address shown in subparagraph 1(a) above.  In the absence of such 
notice to Bank by Guarantor in compliance with the provisions hereof, 
any sum received by Bank on account of the Guaranteed Indebtedness shall 
be conclusively deemed paid by Borrower.

     11.     Death of Guarantor.  In the event of the death of 
Guarantor, any duly authorized representative of the estate of Guarantor 
may revoke Guarantor's future obligations under this Guaranty by giving 
Bank written notice of Guarantor's of death and that the estate of 
Guarantor shall not be liable hereunder for any indebtedness or 
obligations of Borrower incurred on or after the effective date of such 
revocation. Such revocation shall be deemed to be effective on the day 
following the day Bank receives such notice delivered by: (a) personal 
delivery to the address and designated department of Bank identified in 
subparagraph 1(a) above, or (b) United States mail, registered or 
certified, return receipt requested, postage prepaid, addressed to Bank 
at the address shown in subparagraph 1(a) above.  Notwithstanding such 
revocation, the obligations of the deceased Guarantor shall continue as 
an obligation against his estate as to (a) all of the Guaranteed 
Indebtedness that is outstanding on the effective date of such 
revocation, and any renewals or extensions thereof, and (b) all loans, 
advances and other extensions of credit made to or for the account of 
Borrower on or after the effective date of such revocation pursuant to 
an obligation of Bank under a commitment or agreement made to or with 
Borrower prior to the effective date of such revocation.  The terms and 
conditions of this Guaranty, including without limitation the consents 
and waivers set forth in paragraph 7 hereof, shall remain in effect with 
respect to the Guaranteed Indebtedness described in the preceding 
sentence in the same manner as if such revocation had not been made.  

     12.     Notice of Sale.  In the event that Guarantor is entitled to 
receive any notice under the Uniform Commercial Code, as it exists in 
the state governing any such notice, of the sale or other disposition of 
any collateral securing all or any part of the Guaranteed Indebtedness 
or this Guaranty, reasonable notice shall be deemed given when such 
notice is deposited in the United States mail, postage prepaid, at the 
address for Guarantor set forth in subparagraph 1(c) above, five (5) 
days prior to the date any public sale, or after which any private sale, 
of any such collateral is to be held; provided, however, that notice 
given in any other reasonable manner or at any other reasonable time 
shall be sufficient.

     13.     Waiver of Bank.  No delay on the part of Bank in exercising 
any right hereunder or failure to exercise the same shall operate as a 
waiver of such right.  In no event shall any waiver of the provisions of 
this Guaranty be effective unless the same be in writing and signed by 
an officer of Bank, and then only in the specific instance and for the 
purpose given.

     14.     Successors and Assigns.  This Guaranty is for the benefit 
of Bank, its successors and assigns.  This Guaranty is binding upon 
Guarantor's heirs, executors, administrators, personal representatives 
and successors, including without limitation any person or entity 
obligated by operation of law upon the reorganization, merger, 
consolidation or other change in the organizational structure of 
Guarantor.

     15.     Costs and Expenses.  Guarantor shall pay on demand by Bank 
all costs and expenses (including without limitation all reasonable 
attorneys' fees) incurred by Bank in connection with the preparation, 
administration, enforcement and/or collection of this Guaranty.  This 
covenant shall survive the payment of the Guaranteed Indebtedness.

     16.     Severability.  If any provision of this Guaranty is held by 
a court of competent jurisdiction to be illegal, invalid or enforceable 
under present or future laws, such provision shall be fully severable, 
shall not impair or invalidate the remainder of this Guaranty and the 
effect thereof shall be confined to the provision held to be illegal, 
invalid or unenforceable.

     17.     No Obligation.  Nothing contained herein shall be construed 
as an obligation on the part of Bank to extend or continue to extend 
credit to Borrower.

     18.     Amendment.  No modification or amendment of any provision 
of this Guaranty, nor consent to any departure by Guarantor therefrom, 
shall be effective unless the same shall be in writing and signed by an 
officer of Bank, and then shall be effective only in the specific 
instance and for the purpose for which given.

     19.     Cumulative Rights.  All rights and remedies of Bank 
hereunder are cumulative of each other and of every other right or 
remedy which Bank may otherwise have at law or in equity or under any 
instrument or agreement, and the exercise of one or more of such rights 
or remedies shall not prejudice or impair the concurrent or subsequent 
exercise of any other rights or remedies.

     20.     Governing Law.  THIS GUARANTY SHALL BE GOVERNED BY AND 
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF TEXAS AND 
APPLICABLE FEDERAL LAWS.

     21.     Venue.  This Guaranty has been entered into in the county 
in Texas where Bank's address for notice purposes is located, and it 
shall be performable for all purposes in such county.  Courts within the 
State of Texas shall have jurisdiction over any and all disputes arising 
under or pertaining to this Guaranty and venue for any such disputes 
shall be in the county or judicial district where the Bank's address for 
notice purposes is located.

     22.     Compliance with Applicable Usury Laws.  Notwithstanding any 
other provision of this Guaranty or of any instrument or agreement 
evidencing, governing or securing all or any part of the Guaranteed 
Indebtedness, Guarantor and Bank by its acceptance hereof agree that 
Guarantor shall never be required or obligated to pay interest in excess 
of the maximum nonusurious interest rate as may be authorized by 
applicable law for the written contracts which constitute the Guaranteed 
Indebtedness.  It is the intention of Guarantor and Bank to conform 
strictly to the applicable laws which limit interest rates, and any of 
the aforesaid contracts for interest, if and to the extent payable by 
Guarantor, shall be held to be subject to reduction to the maximum 
nonusurious interest rate allowed under said law.

     23.     Descriptive Headings.  The captions in this Guaranty are 
for convenience only and shall not define or limit the provisions 
hereof.

     24.     Gender.  Within this Guaranty, words of any gender shall be 
held and construed to include the other gender.

     25.     Entire Agreement.  This Guaranty contains the entire 
agreement between Guarantor and Bank regarding the subject matter hereof 
and supersedes all prior written and oral agreements and understandings, 
if any, regarding same; provided, however, this Guaranty is in addition 
to and does not replace, cancel, modify or affect any other guaranty of 
Guarantor now or hereafter held by Bank that relates to Borrower or any 
other person or entity.

     EXECUTED as of the date first above written.

                                   GUARANTOR:

                                   MALLON RESOURCES CORPORATION,
                                   a Colorado corporation


                                   By:  /s/ Roy K. Ross   
                                        Roy K. Ross,
                                        Executive Vice President





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