Mitigating destructive longwall bumps through conventional gate entry design /
by Alan A. Campoli ... [et al.].
- Pgh. [i.e. Pittsburgh] PA : United States Dept. of the Interior, Bureau of Mines, 1990.
- ii, 38 p. : ill.
- Report of investigations ; 9325 .
- Report of investigations (United States. Bureau of Mines) ; 9325. .
90002082
Mine roof control.
Rock bursts.
Longwall mining.
90002082
Mine roof control.
Rock bursts.
Longwall mining.