| Author: | Zeller, H. William. |
|---|---|
| Year: | 1987 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:9090 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 9090 |
| Subjects: | Mine ventilation |
| Mining machinery | |
| Diesel motor exhaust gas | |
| Barium | |
| Link: | https://hdl.handle.net/2027/mdp.39015078479998 |