Trends in the Use of Energy in the Western States, With Particular Reference to Coal (open access)

Trends in the Use of Energy in the Western States, With Particular Reference to Coal

Report issued by the U.S. Bureau of Mines on energy consumption in the western United States. A focus on coal as the primary energy source is presented. This report includes tables, graphs, maps, and illustrations.
Date: January 1943
Creator: Parry, V. F.
System: The UNT Digital Library
Chrysotile-Asbestos Deposits of Arizona (open access)

Chrysotile-Asbestos Deposits of Arizona

Report issued by the U.S. Bureau of Mines discussing asbestos mining and production in Arizona. As stated in the summary, "this paper describes most of the chrysotile-asbestos deposits of Arizona. Mining methods are discussed briefly and asbestos-mill flowsheets are incorporated" (p. 1). This report includes tables, maps, illustrations, and photographs.
Date: January 1955
Creator: Stewart, L. A.
System: The UNT Digital Library
Mining Methods and Practices at the Iron King Mine, Shattuck-Denn Mining Corporation, Yavapai County, Arizona (open access)

Mining Methods and Practices at the Iron King Mine, Shattuck-Denn Mining Corporation, Yavapai County, Arizona

Report issued by the U.S. Bureau of Mines discussing mining methods in Arizona mines. As stated in the introduction, "this paper describes mining operations at the Iron King mine of the Shattuck-Denn Mining Corp. in Yavapai County, Ariz." (p. 2). This report includes tables, maps, illustrations, and photographs.
Date: January 1950
Creator: Kumke, Charles A. & Mille, H. F.
System: The UNT Digital Library