| Author: | Ruff, T. M. |
|---|---|
| Year: | 1992 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:9431. |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 9431 |
| Subjects: | Mineral industries--Waste disposal |
| Navigation--Data processing | |
| Mine haulage--Automation | |
| Links: | https://hdl.handle.net/2027/mdp.39015077558529 |
| no.9431 1992 |