Milling methods and costs of the Minas de Matahambre, S.A., concentrator

Author: Kirchner, A. R.
Year: 1931
Document Type: MAIN
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6544
Series: Information circular / Bureau of Mines ;
Report Number: 6544
Subject: Copper mines and mining--Cuba
Link: https://hdl.handle.net/2027/mdp.39015095085463

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