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 |