Mining and milling methods and costs at the Ash Peak mine of the Veta Mines, Inc., Duncan, Ariz.

Author: Lines, Herbert L.
Year: 1940
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7119
Series: United States. Bureau of Mines. Information circular
Report Number: 7119
Subject: Silver mines and mining--Arizona--Duncan
Link: https://hdl.handle.net/2027/mdp.39015078534248

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