| Author: | Kwitowski, August J. | 
|---|---|
| Additional Authors: | Wade, Lewis V., | 
| Year: | 1980 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:8439 | 
| Series: | Report of investigations / U.S. Dept. of the Interior, Bureau of Mines ; | 
| Report Number: | 8439 | 
| Subjects: | Coal mines and mining--Safety measures | 
| Mine roof bolts, Resin--Testing | |
| Link: | https://hdl.handle.net/2027/mdp.39015078465773 |