| Author: | McWilliams, John R. |
|---|---|
| Additional Authors: | Erickson, Eric G. |
| Year: | 1960 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7961 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 7961 |
| Subjects: | Shaft sinking |
| Mine ventilation | |
| Mineral industries--Idaho--Shoshone County | |
| Link: | https://hdl.handle.net/2027/mdp.39015078461061 |