1 EXHIBIT 10.1 [UNION PACIFIC RESOURCES LETTERHEAD] April 21, 1999 United States Exploration, Inc. 1560 Broadway, Suite 1900 Denver, Colorado 80202 Attn: John R. Wallace Re: Contract Amendment Exploration Agreement Effective June 1, 1998 (the...Exploration Agreement • May 21st, 1999 • United States Exploration Inc • Wholesale-petroleum & petroleum products (no bulk stations)
