Development of a mechanical roof breaker for ground control in longwall operations under massive roof /
Tandanand, Sathit.
Development of a mechanical roof breaker for ground control in longwall operations under massive roof / by Sathit Tandanand. - Washington : U.S. Dept. of the Interior, Bureau of Mines, 1979. - 20 p. : ill. - Report of investigations ; 8416 . - United States. Bureau of Mines. Report of investigations ; 8416 . - Report of investigations (United States. Bureau of Mines) ; 8416. .
79018531
Ground control (Mining)
Rock mechanics.
Development of a mechanical roof breaker for ground control in longwall operations under massive roof / by Sathit Tandanand. - Washington : U.S. Dept. of the Interior, Bureau of Mines, 1979. - 20 p. : ill. - Report of investigations ; 8416 . - United States. Bureau of Mines. Report of investigations ; 8416 . - Report of investigations (United States. Bureau of Mines) ; 8416. .
79018531
Ground control (Mining)
Rock mechanics.