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 |