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Loading characteristics of pillars in multiple-seam mining operations / by G.J. Chekan, R.J. Matetic.

By: Chekan, G. J. (Gregory J.).
Contributor(s): Matetic, Rudy J.
Material type: materialTypeLabelBookSeries: U.S. Bureau of Mines. Report of investigations 9173. Publisher: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988Description: 19 p. : ill. ; 28 cm.Report number: USBM ri-9173Subject(s): Pillaring (Mining) | Mine subsidences | Coal mines and mining
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Bibliography: p. 17-18.

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