PURCHASE AND SALE AGREEMENT THIS AGREEMENT, dated as of November 12, 1998, is between ST. MARY LAND & EXPLORATION COMPANY ("St. Mary"), a Delaware corporation, 1776 Lincoln Street, Suite 1100, Denver, Colorado 80203, ST. MARY OPERATING COMPANY...Purchase and Sale Agreement • December 30th, 1998 • St Mary Land & Exploration Co • Crude petroleum & natural gas • Oklahoma
