Geologic Factors Related to Block Caving at San Manuel Copper Mine, Pinal County, Arizona: Progress Report, April 1954-March 1956 (open access)

Geologic Factors Related to Block Caving at San Manuel Copper Mine, Pinal County, Arizona: Progress Report, April 1954-March 1956

Report issued by the Bureau of Mines over studies conducted on the geologic factors related to block-caving. The results of the study are presented. This report includes tables, maps, and illustrations.
Date: May 1957
Creator: Wilson, Eldred Dewey
System: The UNT Digital Library
Chrysotile-Asbestos Deposits of Arizona: Supplement to Information Circular 7706 (open access)

Chrysotile-Asbestos Deposits of Arizona: Supplement to Information Circular 7706

Report issued by the U.S. Bureau of Mines discussing asbestos mining and production in Arizona. As a supplement to a previous report, 18 additional Arizona mining districts are presented and described. This report includes tables, maps, illustrations, and photographs.
Date: May 1956
Creator: Stewart, Lincoln A.
System: The UNT Digital Library