Recovery of gold from black sand by classifier concentration

Author: Davis, John A.
Additional Authors: Gross, John,
Year: 1920
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 2160
Subject: Gold mines and mining
Link: https://hdl.handle.net/2027/mdp.39015086499541

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