| Additional Authors: | Watts, W. F., Baumgard, K. J., Rubow, K. L., Cantrell, B. K. | 
|---|---|
| Year: | 1989 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I28.23:9276 | 
| Series: | Report of investigations / United States. Bureau of Mines ; | 
| Report Number: | 9276 | 
| Subjects: | Coal mines and mining | 
| Mine ventilation--Equipment and supplies | |
| Diesel motor exhaust gas--Environmental aspects | |
| Link: | https://hdl.handle.net/2027/mdp.39015078475145 |