| Author: | Doyak, William J. | 
|---|---|
| Year: | 1977 | 
| Document Type: | TPRM | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines ; | 
| SUDOC: | I 28.26/6:102 | 
| Series: | Technical progress report ; | 
| Report Number: | 102 | 
| Subjects: | Mineral industries--Safety measures | 
| Belts and belting | |
| Link: | https://hdl.handle.net/2027/mdp.39015077583170 |