Milling methods and costs at the San Guillermo concentrator of the Companiá Industrial "El Potosi," S.A., San Guillermo, Chihuahua, Mexico / by C.A. Mehring, F.G. Bacon, and Oba Wiser.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Commerce, Bureau of Mines,
1933.
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| Series: | Information circular (United States. Bureau of Mines) ;
6706. |
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