| Author: | McClelland, John J. |
|---|---|
| Additional Authors: | Jankowski, Robert A. |
| Year: | 1988 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:9173 |
| Series: | Information circular ; |
| Report Number: | 9173 |
| Subjects: | Mine dusts |
| Longwall mining | |
| Link: | https://hdl.handle.net/2027/mdp.39015078462929 |