STEPHENS, James G. Geology and Uranium deposits at Crooks Gap, Fremont county Wyoming / by James G. Stephens. -- Washington : United States Government Printing Office, 1964 - 82 p. + map. -- (Geological Survey Bulletin ; 1147-F). Subjects--Topical Terms: Depósitos de UranioWyoming Universal Decimal Class. No.: 553.495(787)