| Author: | Griffin, Russell E. |
|---|---|
| Year: | 1988 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:9212 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 9212 |
| Subjects: | Mine haulage--Safety measures |
| Proximity detectors | |
| Motor vehicles--Automatic location systems | |
| Link: | https://hdl.handle.net/2027/mdp.39015078476671 |