0000893538-07-000044 8-K 2 20070419 2.02 9.01 20070419 20070419 ST MARY LAND & EXPLORATION CO 0000893538 1311 410518430 DE 1231 8-K 34 001-31539 07775697 1776 LINCOLN ST STE 700 DENVER CO 80203 303-861-8140 8-K 1 asci041907_8k.htm OPERATIONS UPDATE 1ST QUARTER EX-99 2 exhibit991.htm PRESS RELEASE