Author: | Currie, R. D. |
---|---|
Year: | 1936 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:6874 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 6874 |
Subjects: | Coal mines and mining--Safety measures |
Mine ventilation | |
Mine safety | |
Anthracite coal | |
Link: | https://hdl.handle.net/2027/mdp.39015077568767 |