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Horizontal and vertical load transferring mechanisms in longwall roof supports / by Thomas M. Barczak, David E. Schwemmer

By: Barczak, Thomas M.
Contributor(s): Schwemmer, David E.
Material type: materialTypeLabelBookSeries: U.S. Bureau of Mines. Report of investigations. Publisher: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988Description: ii, 24 p. : ill. ; 28 cm.Report number: USBM ri-9188Subject(s): Mine roof control | Longwall mining
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