Mining and milling methods and costs at Knob Hill Mine, Republic, Wash.

Author: Cooper, Corwin L.
Year: 1940
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7123
Series: Information Circular / Bureau of Mines ;
Report Number: 7123
Subject: Gold mines and mining--Washington (State)--Ferry County
Link: https://hdl.handle.net/2027/mdp.39015078534222

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