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Comparative study of pillar load transfer associated with multiple-seam mining / by R.J. Matetic, G.J. Chekan

By: Matetic, Rudy J.
Contributor(s): Chekan, G. J.
Material type: materialTypeLabelBookSeries: U.S. Bureau of Mines. Report of investigations 9176. Publisher: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988Description: ii, 20 p. : ill. ; 28 cm.Report number: USBM ri-9176Subject(s): Pillaring (Mining) | Mine subsidences | Coal mines and mining
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Bibliography: p. 20.

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