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Effects of various longwall chain pillar configurations on gate road stability / by J.M. Listak, J.C. Zelanko, T.M. Barton

By: Listak, Jeffrey M.
Contributor(s): Zelanko, Joseph C | Barton, T. M.
Material type: materialTypeLabelBookSeries: U.S. Bureau of Mines. Report of investigations 9184. Publisher: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988Description: 17 p. : ill. ; 28 cm.Report number: USBM ri-9184Subject(s): Longwall mining | Pillaring (Mining)
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Bibliography: p. 16-17.

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