Matetic, Rudy J.

Comparative study of pillar load transfer associated with multiple-seam mining / by R.J. Matetic, G.J. Chekan - Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988 - ii, 20 p. : ill. ; 28 cm. - U.S. Bureau of Mines. Report of investigations 9176 .

Bibliography: p. 20.


Pillaring (Mining).
Mine subsidences.
Coal mines and mining.

USBM ri-9176