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Mining methods and practices at the Johnson Camp Copper-Zinc Mine, Coronado Copper & Zinc Co., Cochise County, Arizona.
| Author: | Hardwick, W. R. |
|---|---|
| Additional Authors: | Sierakoski, Joe. |
| Year: | 1957 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7788 |
| Series: | Information circular / United States. Bureau of Mines ; |
| Report Number: | 7788 |
| Subjects: | Copper mines and mining--Arizona |
| Zinc mines and mining--Arizona | |
| Mines and mineral resources--Arizona | |
| Link: | https://hdl.handle.net/2027/mdp.39015078459941 |
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