Mining methods and costs at the Eureka Standard mine

Author: Gardner, E. D.
Year: 1935
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:6851
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 6851
Subject: Mines and mineral resources
Link: https://hdl.handle.net/2027/mdp.39015077568619

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