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Investigation of West Belt Copper-Zinc Mines, El Dorado, Amador, Calaveras, and Mariposa Counties, California

Description: Report issued by the U.S. Bureau of Mines on the West Belt copper-zinc mines. The properties and characteristics of the mineral composition are presented. The report includes tables and maps.
Date: February 1951
Creator: Wiebelt, Frank J.; Sanborn, W. C.; Trengove, R. R. & Ricker, Spangler
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Methods and Operations at the Kaiser Steel Corporation Eagle Mountain Iron Mine, Riverside County, California

Description: Report issued by the U.S. Bureau of Mines discussing the mining methods and operations of open-pit iron mines in Riverside County, California. History and geology of the mines are presented. This report includes maps, tables, illustrations, and photographs.
Date: February 1956
Creator: Trengove, Russel R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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