| Author: | Diamond, W. P. | 
|---|---|
| Additional Authors: | Bench, Bernard M.,, McCulloch, C. M. | 
| Year: | 1976 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:8120 | 
| Series: | Report of investigations - Bureau of Mines ; | 
| Report Number: | 8120 | 
| Subject: | Coal mines and mining | 
| Link: | https://hdl.handle.net/2027/mdp.39015078474668 |