| Author: | Grumer, Joseph. | 
|---|---|
| Year: | 1973 | 
| Document Type: | USBI | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.27:8616 | 
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 8616 | 
| Subjects: | Coal mines and mining--Dust control | 
| Mine explosions | |
| Mine safety | |
| Mine fires--Prevention and control | |
| Link: | https://hdl.handle.net/2027/mdp.39015078516369 |