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Methods and costs of sinking the Silver Summit shaft, Wallace, Idaho, using a mechanical mucking machine
| Author: | Grismer, George M. |
|---|---|
| Additional Authors: | Hundhausen, Robert J. |
| Year: | 1948 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7425 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 7425 |
| Subjects: | Mines and mineral resources--Idaho--Shoshone County |
| Shaft sinking | |
| Link: | https://hdl.handle.net/2027/mdp.39015077577560 |
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