SEC FORM 5/A

SEC Form 5

FORM 5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Form 3 Holdings Reported.

Form 4 Transactions Reported.

1. Name and Address of Reporting Person^*

YORK DOUGLAS W

(Last)

(First)

(Middle)

1776 LINCOLN ST

STE 700

(Street)

DENVER

80202

(City)

(State)

(Zip)

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)
Exec VP & COO

3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2004

4. If Amendment, Date of Original Filed (Month/Day/Year)
02/15/2005

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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 at end of Issuer's Fiscal Year (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock; $.01 Par Value	06/30/2002		M	216⁽¹⁾	A	$18.0115	4,789⁽²⁾	D
Common Stoci; $.01 Par Value	12/31/2002		M	205⁽³⁾	A	$20.451	4,994	D
Commom Stock; $.01 Par Value	06/30/2003		M	206⁽⁴⁾	A	$21.2925	4,994	D
Common Stock; $.01 Par Value	12/31/2003		M	256⁽⁵⁾	A	$23.205	6,248⁽⁶⁾	D

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The 216 shares of common stock were purchased through the issurer's Employee Stock Purchase Plan and were inadvertently omitted at the time of purchase.

2. Due to a typographical error the total ownership number was understated by 2000 shares.

3. The 205 shares of common stock were purchased through the issurer's Employee Stock Purchase Plan and were inadvertently omitted at the time of purchase.

4. The 206 shares of common stock were purchased through the issurer's Employee Stock Purchase Plan and were inadvertently omitted at the time of purchase.

5. The 256 shares of common stock were purchased through the issurer's Employee Stock Purchase Plan and were inadvertently omitted at the time of purchase.

6. This total includes the 455 & 337 share acquired through the Employee Stock Purchase Plan and correctly filed on the Form 5 which this is amending.

	Brenda L Schohn (Attorney-In-Fact)	05/18/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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