Author: |
Brown, C. L. |
Additional Authors: |
Gallagher, F. J.,
Hyvarinen, John.
|
Year: |
1949 |
Document Type: |
BMRA |
Issuing Agency: |
U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: |
I 28.23:4537 |
Series: |
Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: |
4537 |
Subjects: |
Coal mines and mining--Safety measures |
|
Coal mines and mining--Equipment and supplies |
|
Coal mines and mining--Electric equipment |
|
Compressed air |
Link: |
https://hdl.handle.net/2027/mdp.39015078486225 |