Engineering geology applied to the design and operation of underground coal mines /
Dunrud, C. Richard.
Geological Survey (U.S.)
Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services,
1998.
"U.S. Department of the Interior, U.S. Geological Survey"--T.p. verso.
Shipping list no.: 98-0289-P.
Includes bibliographical references (p. 128-134).
Coal mines and mining.
Engineering geology.
Coal
Ground control (Mining)