Flotation and cyanidation tests on a gold-copper sulfide ore from Cooke, Mont. / by A.L. Engel and H.J. Heinen.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
[1950]
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| Series: | Report of investigations (United States. Bureau of Mines) ;
4670. |
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