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<ACCESSION-NUMBER>0001104659-07-055343
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<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20070723
<FILING-DATE>20070723
<DATE-OF-FILING-DATE-CHANGE>20070723
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ST MARY LAND & EXPLORATION CO
<CIK>0000893538
<ASSIGNED-SIC>1311
<IRS-NUMBER>410518430
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>1776 LINCOLN ST STE 700
<CITY>DENVER
<STATE>CO
<ZIP>80203
<PHONE>303-861-8140
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<CONFORMED-NAME>Pugh Stephen C
<CIK>0001407327
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<ACT>34
<FILE-NUMBER>001-31539
<FILM-NUMBER>07992707
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<STREET1>1776 LINCOLN ST.
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<STATE>CO
<ZIP>80203
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    <periodOfReport>2007-07-23</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000893538</issuerCik>
        <issuerName>ST MARY LAND &amp; EXPLORATION CO</issuerName>
        <issuerTradingSymbol>SM</issuerTradingSymbol>
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            <rptOwnerName>Pugh Stephen C</rptOwnerName>
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            <rptOwnerStreet1>1776 LINCOLN ST.</rptOwnerStreet1>
            <rptOwnerStreet2>STE. 700</rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80203</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
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            <officerTitle>Sr. VP &amp; Regional Manager</officerTitle>
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<FILENAME>ex-24.htm
<DESCRIPTION>EX-24
<TEXT>
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<body lang="EN-US">

<div>

<p align="right" style="font-weight:bold;margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibit
24</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-weight:bold;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">POWER OF ATTORNEY</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Know all by these presents, that the undersigned
hereby constitutes and appoints each of Brenda L. Schohn, James C. Robertson
and Karin M. Writer, or any one of them acting singly, and with full power of
substitution, the undersigned&#146;s true and lawful attorney-in-fact to:</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .5in;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; execute for and on behalf of the
undersigned, in the undersigned&#146;s capacity as an officer and/or director of St.
Mary Land &amp; Exploration Company (the &#147;Company&#148;), Forms 3, 4, and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934 and the
rules thereunder;</font></p>

<p style="margin:0in 0in .0001pt .5in;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .5in;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; do and perform any and all acts for
and on behalf of the undersigned which may be necessary or desirable to
complete and execute any such Form 3, 4, or 5, complete and execute any
amendment or amendments thereto, and timely file such form with the United
States Securities and Exchange Commission and any securities exchange or
similar authority; and</font></p>

<p style="margin:0in 0in .0001pt .5in;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .5in;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(3)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; take any other action of any type
whatsoever in connection with the foregoing which, in the opinion of such
attorney-in-fact, may be of benefit to, in the best interest of, or legally
required by, the undersigned, it being understood that the documents executed
by such attorney-in-fact on behalf of the undersigned pursuant to this Power of
Attorney shall be in such form and shall contain such terms and conditions as
such attorney-in-fact may approve in such attorney-in-fact&#146;s discretion.</font></p>

<p style="margin:0in 0in .0001pt .5in;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The undersigned hereby
grants to each such attorney-in-fact full power and authority to do and perform
any and every act and thing whatsoever requisite, necessary, or proper to be
done in the exercise of any of the rights and powers herein granted, as fully
to all intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-fact&#146;s
substitute or substitutes, shall lawfully do or cause to be done by virtue of
this power of attorney and the rights and powers herein granted. The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned&#146;s responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This Power of Attorney shall remain in full
force and effect until the undersigned is no longer required to file Forms 3,
4, and 5 with respect to the undersigned&#146;s holdings of and transactions in
securities issued by the Company, unless earlier revoked by the undersigned in
a signed writing delivered to the foregoing attorneys-in-fact.</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">IN WITNESS WHEREOF, the
undersigned has caused this Power of Attorney to be executed as of this 17th
day of July, 2007.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="15%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:15.54%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Stephen C. Pugh</font></p>
  </td>
  <td width="34%" valign="top" style="padding:0in .7pt 0in .7pt;width:34.46%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-weight:bold;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">CONFIRMING STATEMENT</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This Statement confirms
that the undersigned, Stephen C. Pugh, has authorized and designated each of
Brenda L. Schohn, Karin M. Writer and James C. Robertson, signing singly, to
execute and file on the undersigned&#146;s behalf all Forms 3,<b><i style="font-weight:bold;">  </i></b>4,
and 5 (including any amendments thereto) that the undersigned may be required
to file with the U.S. Securities and Exchange Commission as a result of the
undersigned&#146;s ownership of or transactions in securities of St. Mary Land &amp;
Exploration Company. The authority of each of Brenda L. Schohn, Karin M. Writer
and James C. Robertson under this Statement shall continue until the
undersigned is no longer required to file Forms 3, 4, and 5 with regard to the
undersigned&#146;s ownership of or transactions in securities of<i>  </i>St.
Mary Land &amp; Exploration Company, unless earlier revoked in writing. The
undersigned acknowledges that neither Brenda L. Schohn, Karin M. Writer, nor
James C. Robertson is assuming any of the undersigned&#146;s responsibilities to
comply with Section 16 of the Securities Exchange Act of 1934.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="59%" valign="top" style="padding:0in .7pt 0in .7pt;width:59.24%;">
  <h1 style="font-weight:normal;margin:0in 0in .0001pt;page-break-after:auto;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dated:
  July 17, 2007</font></h1>
  </td>
  <td width="15%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:15.52%;">
  <h1 style="font-weight:normal;margin:0in 0in .0001pt;page-break-after:auto;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/
  Stephen C. Pugh</font></h1>
  </td>
  <td width="25%" valign="top" style="padding:0in .7pt 0in .7pt;width:25.24%;">
  <h1 style="font-weight:normal;margin:0in 0in .0001pt;page-break-after:auto;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></h1>
  </td>
 </tr>
</table>

<h1 align="center" style="font-weight:normal;margin:0in 0in .0001pt;page-break-after:auto;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

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