Author: | Leighton, Frederick W. |
---|---|
Year: | 1982 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:8701 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 8701 |
Subjects: | Pillaring (Mining) |
Rock bursts | |
Links: | https://hdl.handle.net/2027/mdp.39015078490391 |
no.8701-8720 1982 |