| Author: | Krantz, Gary W. |
|---|---|
| Year: | 1984 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:8984 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 8984 |
| Subjects: | Ground control (Mining) |
| Shotcrete | |
| Link: | https://hdl.handle.net/2027/mdp.39015078458729 |