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Recent trends in design and construction of copper concentrators in the Southwest
| Author: | Rork, C. E. |
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| Year: | 1935 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:6866 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6866 |
| Subject: | Copper mines and mining |
| Link: | https://hdl.handle.net/2027/mdp.39015078515577 |
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