| Author: | Prosser, L. J. | 
|---|---|
| Additional Authors: | Cervik, Joseph., Finfinger, Gerald L. | 
| Year: | 1981 | 
| Document Type: | BMRA | 
| Issuing Agency: | United States Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:8577 | 
| Series: | Report of investigations / Bureau of Mines ; | 
| Report Number: | 8577 | 
| Subjects: | Coal mines and mining--Safety measures | 
| Mine ventilation | |
| Coalbed methane drainage | |
| Link: | https://hdl.handle.net/2027/mdp.39015078471755 |