Author: | Howell, S. P. |
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Additional Authors: | Tiffany, J. E. |
Year: | 1918 |
Document Type: | USBM |
Issuing Agency: | U.S.Bureau of Mines, |
SUDOC: | I 28.7:186 |
Series: | Technical paper / United States. Bureau of Mines ; |
Report Number: | 186 |
Subjects: | Coal mines and mining--Explosives |
Explosives--Testing | |
Link: | https://hdl.handle.net/2027/mdp.39015077565870 |