-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
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 jzuU/pLk7LunqvtAf/ePsA==

<SEC-DOCUMENT>0000893538-07-000056.txt : 20070517
<SEC-HEADER>0000893538-07-000056.hdr.sgml : 20070517
<ACCEPTANCE-DATETIME>20070517155317
ACCESSION NUMBER:		0000893538-07-000056
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070516
FILED AS OF DATE:		20070517
DATE AS OF CHANGE:		20070517

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ST MARY LAND & EXPLORATION CO
		CENTRAL INDEX KEY:			0000893538
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				410518430
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1776 LINCOLN ST STE 700
		CITY:			DENVER
		STATE:			CO
		ZIP:			80203
		BUSINESS PHONE:		303-861-8140

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Quintana Julio M
		CENTRAL INDEX KEY:			0001364531

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31539
		FILM NUMBER:		07861324

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		713-359-7000

	MAIL ADDRESS:	
		STREET 1:		3993 W. SAM HOUSTON PARKWAY N.
		STREET 2:		STE. 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>quintana16may07form4_ex.xml
</DOCUMENT>
</SUBMISSION>