Mining Methods and Costs, Lincoln Tungsten Mine, Wah Chang Mining Corporation, Lincoln County, Nevada

Mining Methods and Costs, Lincoln Tungsten Mine, Wah Chang Mining Corporation, Lincoln County, Nevada

Date: 1959
Creator: Johnson, A. C. & McDonald, Ross M.
Description: Report issued by the U.S. Bureau of Mines discussing tungsten mining operations conducted in Lincoln County, Nevada. As stated in the summary, "this paper is one of a series being 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 tables, maps, illustrations, and a photograph.
Contributing Partner: UNT Libraries Government Documents Department
Mining Methods and Costs, Black Rock Tungsten Mine, Wah Chang Mining Corp., Mono County, California

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

Date: 1960
Creator: Johnson, A. C. & Fillip, N. M.
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.
Contributing Partner: UNT Libraries Government Documents Department
Treatment of the Tungsten Ores of Boulder County, Colo.

Treatment of the Tungsten Ores of Boulder County, Colo.

Date: October 1921
Creator: Bonardi, J. P.
Description: Report discussing the the development of milling practice in Boulder County, the ore-dressing methods in use, and the local manufacture of ferrotungsten and tungstic oxide. Figures giving the production of tungsten concentrates in the Boulder district, in the United States, and in the world; data on the buying of tungsten ores; costs of production; and the normal tungsten requirements in this country are presented.
Contributing Partner: UNT Libraries Government Documents Department