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Official changes in the active list of permissible explosives and blasting devices for September, 1931 / by Scott Turner.
| Author: | Turner, Scott. |
|---|---|
| Year: | 1931 |
| Document Type: | BMRA |
| Issuing Agency: | United States Bureau of Mines, |
| SUDOC: | C 22.12:3147 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 3147 |
| Subjects: | Explosives |
| Coal mines and mining--Safety measures | |
| Link: | https://hdl.handle.net/2027/mdp.39015077567850 |
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