<PAGE> 1 UNITED STATES
SECURITY AND EXCHANGE COMMISSION
Washington, DC 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Admendment No. __2___)*
Mahaska Investment Co 222 First Avenue East
Oskaloosa, IA 52577
________________________________________________________________
(Name of Issuer)
Common Stock
________________________________
(Title of Class of Securities)
559809108
___________
(Cusip #)
Check the following box if a fee is being paid with this statement ___.
(A fee is not required only if the filing person : (1) has a previous
statement on file reporting beneficial ownership of more than five
percent of the class of securities described in Item 1; and (2) has
filed no admendment subsequent thereto reporting beneficial ownership
of five percent or less of such class.) (See Rule 13d-7).
*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class
of securities, and for any subsequent amendment containing information
which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities
Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of
that section of the Act but shall be subject to all other provisions of
the Act (however, see the Notes).
<PAGE> 2
Cusip No. 559809108 13G Page _____of_____Pages
1) Name of Reporting Person
S.S. or I.R.S. Identification no. of above person
Dalton, Greiner, Hartman, Maher & Co
1100 Fifth Avenue South Suite 301
Naples, FL 34102
I.R.S Identification 59-3418454
2) Check the Appropriate box if a Member of a group*
3) SEC Use Only
4) Citizenship or place of Organization
United States
Number of 5) Sole Voting Power
Shares
Beneficially 184,399
Owned by
Each 6) Shared Voting Power
Reporting
Person With
7) Sole Dispositive Power
198,732
8) Shared Dispositve Power
9) Aggregate Amount Beneficially owned by each reporting person
198,732
10) Check Box if the aggregate amount in row (9) excludes certain Shares
11) Percent of Class Represented by Amount in Row 9
5.49%
12) Type of Reporting Person *
IA
*See Instructions before Filling Out
<PAGE> 3
ITEM 5 Ownership of Five Percent of Less of a Class :
Not Applicable
ITEM 6 Ownership of more than five percent on behalf of another
person:
Not Applicable
ITEM 7 Identification and Classification of the subsidiary which
acquired the security being reported on by the parent
holding company :
Not Applicable
ITEM 8 Identification and Classification of Members of the Group:
Not Applicable
ITEM 9 Notice of Dissolution of Group:
Not Applicable
ITEM 10 Certification :
The following certification shall be included if the
statement is filed pursuant to Rule 13d-1(b):
By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above
were acquired in the ordinary course of business and
were not acquired for the purpose of and do not have the
effect of changing or influencing the control of the
issuer of such securities and were not acquired in
connection with or as a participant in any transaction
having such purposes of effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge
and belief, I certify that the information set forth in
this statement is true, complete and correct.
February 12, 1998
Dalton, Greiner, Hartman, Maher & Co
By : Michael W. Keeler\s\
_________________________
Name : Michael W. Keeler
Title : Vice President of Finance
