Development of a mechanical roof breaker for ground control in longwall operations under massive roof
Tandanand, Sathit.
creator
text
bibliography
dcu
Washington
Dept. of the Interior, Bureau of Mines
1979
monographic
eng
20 p. ill. 27 cm.
by Sathit Tandanand.
Bibliography: p. 17-18.
Ground control (Mining)
Rock mechanics
TN23 .U43 no. 8416
TN288
622/.08 s 622/.26
I 28.23:8416
I 28.23:8416
Report of investigations (United States. Bureau of Mines) 8416
79018531
DLC
790724
20160527204129.0
87521