Exploration of the El Dorado copper mine, El Dorado County, Calif.

Author: Bedford, Robert H.
Year: 1946
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:3896
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 3896
Subject: Copper mines and mining--California--El Dorado County
Link: https://hdl.handle.net/2027/mdp.39015078487587

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