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 |