| Author: | Dar, S. M. | 
|---|---|
| Additional Authors: | Pettibone, Howard C., Smelser, T. W. | 
| Year: | 1989 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:9273 | 
| Series: | Report of investigations / United States. Bureau of Mines ; | 
| Report Number: | 9273 | 
| Subjects: | Mine roof bolting | 
| Engineering models | |
| Mine roof control--Computer simulation | |
| Link: | https://hdl.handle.net/2027/mdp.39015078475277 |