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Quien Sabe Antimony Mine San Benito County, California
Report issued by the Bureau of Mines over metallurgical studies of the Quien Sabe antimony mine. History, geology, and physical features of the mine are presented. This report includes tables, maps, and illustrations.
Date:
February 1956
Creator:
Wiebelt, Frank Joseph
System:
The UNT Digital Library
Methods and Operations at the Kaiser Steel Corporation Eagle Mountain Iron Mine, Riverside County, California
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.
System:
The UNT Digital Library