Additional Authors: | Rice, George S. |
---|---|
Year: | 1932 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
SUDOC: | C 22.11:6670 |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 6670 |
Subjects: | Mining engineering--Congresses |
Mine safety--Congresses | |
Mine explosions--Congresses | |
Mineral industries--Safety measures--Congresses | |
Link: | https://hdl.handle.net/2027/mdp.39015086485805 |