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Open-pit copper mining methods and practices at the Chino Mines Division, Kennecott Copper Corp., Grant County, N. Mex.
| Author: | Hardwick, W. R. |
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| Year: | 1958 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.27:7837 |
| Series: | Information circular / Unites States. Bureau of Mines ; |
| Report Number: | 7837 |
| Subject: | Copper mines and mining--New Mexico--Grant County |
| Link: | https://hdl.handle.net/2027/mdp.39015078454322 |
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