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Mining Methods and Costs, Black Rock Tungsten Mine, Wah Chang Mining Corp., Mono County, California

Description: Report issued by the U.S. Bureau of Mines discussing mining costs and methods of the Black Rock Tungsten Mine in Mono County, California. As stated in the summary, "this report is one of a series prepared by the Bureau of Mines on exploration, development, mining methods, and costs at various mines in the United States" (p. 1). This report includes maps, illustrations, and photographs.
Date: 1960
Creator: Johnson, A. C. & Fillip, N. M.

Preliminary Study of the Uranium Favorability of Granitic and Contact-Metamorphic Rocks of the Owens Valley Area, Inyo and Mono Counties California, and Esmeralda and Mineral Counties, Nevada

Description: From summary: Granitic and contact-metamorphic rocks of the Owens Valley area were sampled to determine their favorability for uranium. Uranium deposits associated with these rocks were examined to determine the mode of occurrence.
Date: January 1978
Creator: Cupp, G. M. & Mitchell, T. P.