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Use of sheathed explosive charges on longwalls
| Author: | Mainiero, Richard J. |
|---|---|
| Additional Authors: | Santis, Lon D. |
| Year: | 1990 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23: |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 9294 |
| Subjects: | Longwall mining |
| Coal mines and mining--Explosives--Testing | |
| Link: | https://hdl.handle.net/2027/mdp.39015078476440 |
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