Coal mine ground control /
Peng, Syd S. 1939-
Coal mine ground control / Syd S. Peng. - 2nd ed. - New York : John Wiley & Sons, c1986. - xi, 491 p. : ill. ; 24 cm.
Includes indexes andBibliography
0471821713
Ground control (Mining)
Coal mines and mining--Safety measures.
622.334 / PEC 1986
Coal mine ground control / Syd S. Peng. - 2nd ed. - New York : John Wiley & Sons, c1986. - xi, 491 p. : ill. ; 24 cm.
Includes indexes andBibliography
0471821713
Ground control (Mining)
Coal mines and mining--Safety measures.
622.334 / PEC 1986