Additional Authors: | Howell, Spencer P., Parker, Dorsey J., Ilsley, Lee C., Fieldner, Arno Carl, |
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Year: | 1923 |
Document Type: | USBM |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.7:333 |
Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 333 |
Subjects: | Explosives |
Coal mines and mining--Safety measures | |
Link: | https://hdl.handle.net/2027/mdp.39015077315953 |