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Driving rock slopes at the new Peerless mine
| Author: | Howard, R. J. |
|---|---|
| Year: | 1930 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| SUDOC: | C 22.11:6277 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6277 |
| Subject: | Coal mines and mining--Utah |
| Link: | https://hdl.handle.net/2027/mdp.39015077576265 |
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