Born-Digital or AnalogAnalogTranscriptLand. Wyoming 4TH in a series of 7; deals with Mining Leasing Act of 1920 - its repercussions in Colorado and Wyoming, Post Mr 17, 1971 p.lAA Last of a series of 7; summarizes Wyoming-Colorado problems; map shows territories controlled by various federal agencies. Post Mr 21, 1971 p.17 Merle I. SWEIFEL'S large number of mining claims in Wyoming causes government concern. Post Ja 2, 1972 p.39CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
