| Author: | Armstrong, F. E. |
|---|---|
| Year: | 1974 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.23:7946 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 7946 |
| Subjects: | Coal mines and mining--Dust control |
| Mine explosions | |
| Mine dusts--Analysis | |
| Link: | https://hdl.handle.net/2027/mdp.39015078482471 |