UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

                Date of Report (Date of earliest event reported)
                         April 21, 2003 (April 17, 2003)

                     ST. MARY LAND & EXPLORATION COMPANY
             (Exact name of registrant as specified in its charter)

          Delaware                   001-31539                  41-0518430
(State or other jurisdiction        (Commission               (I.R.S Employer
      of incorporation)             File Number)             Identification No.)


             1776 Lincoln Street, Suite 700, Denver, Colorado 80203
               (Address of principal executive offices) (Zip Code)


       Registrant's telephone number, including area code: (303) 861-8140


                                 Not applicable
         (Former name or former address, if changed since last report.)





Item 7.    Financial Statements and Exhibits.

    (c)    Exhibits.

              The following exhibit is furnished as part of this report:

              Exhibit 99.1   Press release of St. Mary Land & Exploration
                             Company dated April 17, 2003.


Item 9. Regulation FD Disclosure (Information provided under Item 12 - Results
        of Operations and Financial Condition).


        The following information is furnished pursuant to Item 12 - Results of
Operations and Financial Condition. Such information is being furnished under
Item 9 of this Form 8-K in accordance with the interim guidance issued by the
Securities and Exchange Commission in Release Nos. 33-8216 and 34-47583. Such
information, including Exhibit 99.1, shall not be deemed "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934, nor shall such information
and Exhibit be deemed incorporated by reference in any filing under the
Securities Act of 1933, except as shall be expressly set forth by specific
reference in such a filing.

        On April 17, 2003, the registrant issued a press release which provided
an update of its operations for the first quarter of 2003. This press release is
attached hereto as Exhibit 99.1.




                                   SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                        ST. MARY LAND & EXPLORATION COMPANY

Date: April 21, 2003                    /s/ GARRY A. WILKENING
                                        ---------------------------
                                        Garry A. Wilkening
                                        Vice President-Administration and
                                        Controller