Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
NANCE ROBERT L
  2. Issuer Name and Ticker or Trading Symbol
ST MARY LAND & EXPLORATION CO [SM]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Senior Vice President
(Last)
(First)
(Middle)
NANCE PETROLEUM CORPORATION, PO BOX 7168
3. Date of Earliest Transaction (Month/Day/Year)
06/13/2005
(Street)

BILLINGS, MT 59103-7168
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock; $.01 Par Value 06/13/2005   G V 109,100 (1) A $ 0 794,098 (2) I By Self as Trustee for Robert L. Nance TTEE for Robert S. Nance Financial Mgt. Trust
Common Stock; $.01 Par Value 11/08/2005   S   14,000 (3) D $ 33.9539 780,098 I By Self as Trustee for Robert L. Nance TTEE for Robert S. Nance Financial Mgt. Trust
Common Stock; $.01 Par Value 11/09/2005   S   6,000 (3) D $ 33.931 774,098 I By Self as Trustee for Robert L. Nance TTEE for Robert S. Nance Financial Mgt. Trust

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
NANCE ROBERT L
NANCE PETROLEUM CORPORATION
PO BOX 7168
BILLINGS, MT 59103-7168
      Senior Vice President  

Signatures

 Karin M. Writer (Attorney-In-Fact)   11/10/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Mr. Nance's son gifted the shares to a trust for which Mr. Nance is a trustee. Mr. Nance has an indirect pecuniary interest in the trust as he is a trustee of the trust and his son is a beneficiary of the trust. Mr. Nance has no beneficiary economic benefit that is derived from this trust.
(2) Total includes the following corrections of math errors in Column 5 of Table 1 on previously filed Form 5s: subtraction of 490 shares on the Form 5 for the year 2000, subtraction of 550 shares on the Form 5 for the year 2001 and the addition of 2 shares on the Form 5 for the year 2004. Total also includes 1,040 shares acquired during 1999 and 964 shares acquired during 2003 under the St. Mary Land & Exploration Company Employee Stock Purchase Plan. These corrections are presented on a post split basis (2 for 1 stock split on 8-21-00 and 2 for 1 stock split on 3-31-05)
(3) The shares were sold by a trust for which Mr. Nance is a trustee. Mr. Nance has an indirect pecuniary interest in the trust as he is a trustee of the trust and his son is a beneficiary of the trust. Mr. Nance has no beneficiary economic benefit that is derived from this trust.

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