Concentration tests on various base-metal ores

Author: Engel, Abraham L.
Year: 1952
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:4927
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4927
Subject: Ore deposits--Testing
Link: https://hdl.handle.net/2027/mdp.39015078468579

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