Gold mining and milling methods and costs at the Vallecito Western Drift mine, Angels Camp, Calif. / by Don Steffa.

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Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Steffa, Don
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Dept. of Commerce, U.S. Bureau of Mines, 1932.
Series:	Information circular (United States. Bureau of Mines) ; 6612.
Subjects:	Gold mines and mining > California > Angels Camp. Gold > Milling. Gold mines and mining. California > Angels Camp.

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Call Number:	I 28.27:6601-6625
I 28.27:6601-6625	Available Place a Hold