Wyoming Mines 1907: A Summary of the Conditions and Progress in the Copper, Gold, Placer, Iron, Asbestos, Sulphur, Stone, Plastic Minerals, Gravel, Oil, Natural Gas, and Coal Industries (1908)

Beeler, H.C., 1908, Wyoming mines 1907—A summary of the conditions and progress in the copper, gold, placer, iron, asbestos, sulphur, stone, plastic minerals, gravel, oil, natural gas, and coal industries: Office of the State Geologist [Wyoming State Geological Survey] Miscellaneous Publication, 46 p.