| Author: | McLaughlin, William C. |
|---|---|
| Additional Authors: | Harasha, J. L., Thomas, L. A. |
| Year: | 1983 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, |
| SUDOC: | I 28.23:8811 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 8811 |
| Subjects: | Caving mining |
| Ground control (Mining) | |
| Link: | https://hdl.handle.net/2027/mdp.39015078477521 |