Author: | Denny, E. H. |
---|---|
Additional Authors: | Kintz, G. M. |
Year: | 1930 |
Document Type: | MAIN |
Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
SUDOC: | C 22.11:6349 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 6349 |
Subjects: | Mine safety |
Mine accidents | |
Industrial safety--Research--United States | |
Safety education, Industrial--United States | |
Link: | https://hdl.handle.net/2027/mdp.39015095084565 |