| Author: | Bielicki, Richard J. | 
|---|---|
| Additional Authors: | Kissell, Fred N. | 
| Year: | 1974 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Bureau of Mines, | 
| SUDOC: | I 28.23:7987 | 
| Series: | Report of investigations / United States. Bureau of Mines ; | 
| Report Number: | 7987 | 
| Subjects: | Mine ventilation | 
| Mine safety | |
| Methane | |
| Link: | https://hdl.handle.net/2027/mdp.39015078484253 |