-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
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 JVTU1s0PvKr8Q1IneyjUrg==

<SEC-DOCUMENT>0000893538-07-000064.txt : 20070618
<SEC-HEADER>0000893538-07-000064.hdr.sgml : 20070618
<ACCEPTANCE-DATETIME>20070618125925
ACCESSION NUMBER:		0000893538-07-000064
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20070614
FILED AS OF DATE:		20070618
DATE AS OF CHANGE:		20070618

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:			Newton Lehman E III
		CENTRAL INDEX KEY:			0001403099

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31539
		FILM NUMBER:		07925112

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(303)861.8140

	MAIL ADDRESS:	
		STREET 1:		1776 LINCOLN ST., STE. 700
		CITY:			DENVER
		STATE:			CO
		ZIP:			80203
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>newton14june07form3_ex.xml
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>newtonpoaandconfirmation.htm
</DOCUMENT>
</SUBMISSION>