Milling methods and costs of the Minas de Matahambre, S.A., concentrator / by A.R. Kirchner, J.V. Galloway, and W.P. Schoder.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Commerce, Bureau of Mines,
1931.
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| Series: | Information circular (United States. Bureau of Mines) ;
6544. |
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| Item Description: | At head of title: Department of Commerce--Bureau of Mines. No.6526-6550 issued bound together. |
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| Physical Description: | 11 pages : illustrations ; 27 cm. |