| Author: | Howes, Merwin H. |
|---|---|
| Year: | 1963 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:8195 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 8195 |
| Subjects: | Shaft sinking |
| Mine ventilation | |
| Project Gnome | |
| Mineral industries--New Mexico--Carlsbad | |
| Link: | https://hdl.handle.net/2027/mdp.39015078456889 |