SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 4 )*
MAHASKA INVESTMENT CO.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
559809108
(Cusip #)
Cusip No. 559809108 13G Page 1 of 3 Pages
1 Name of Reporting Person
Dalton, Greiner, Hartman, Maher & Co
IRS Identification 59-3418454
2) Check the Appropriate box if a Member of a group*
3) SEC Use Only
4) Citizenship or place of Organization
Delaware Partnership
Number of Shares Beneficially Owned by Each Reporting Person With:
5) Sole Voting Power
181,533 shares
6) Shared Voting Power
0
7) Sole Dispositive Power
181,533 shares
8) Shared Dispositve Power
0
9) Aggregate Amount Beneficially owned by each reporting person
181,533 shares
10) Check Box if the aggregate amount in row (9) excludes certain Shares
11) Percent of Class Represented by Amount in Row 9
3.80%
12) Type of Reporting Person
IA
Cusip No. 559809108 13G Page 2 of 3 Pages
Item 1(a). Name of Issuer:
MAHASKA INVESTMENT CO
Item 1(b). Address of Issuer's Principal Executive Office:
222 First Avenue East
Oskaloosa,IA 52577
Item 2(a). Name of Person Filing:
Dalton, Greiner, Hartman, Maher & Co
Item 2(b). Address of Principal Business Office:
1100 Fifth Avenue South, Suite 301
Naples, FL 34102
Item 2(c). Citizenship:
Delaware Partnership
Item 2(d). Title of Class of Securities:
Common Stock
Item 2(e). CUSIP Number
559809108
Item 3. This statement is filed pursuant to Rules 13d-
1(b), or 13d-2(b), the person filing is an
Investment Adviser registered under Section 203
of the Investment Advisers Act of 1940.
Item 4. Ownership:
(a) Amount beneficially owned:
181,533 shares
(b) Percent of Class:
3.80%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote:
181,533 shares
(ii) shared power to vote or to direct the vote:
0 shares
(iii) sole power to dispose or to direct the disposition:
181,533 shares
(iv) shared power to dispose or to direct the disposition:
0 shares
Item 5. Ownership of Five Percent or Less of a Class :
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
Cusip No. 559809108 13G Page 3 of 3 Pages
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.
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 10, 2000
Dalton, Greiner, Hartman, Maher & Co
By : /s/Michael W. Keeler
Title : Vice President-Finance
