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Coal mine air tempering : effectiveness, design, and roof support / by Gary P. Sames

By: Sames, Gary P.
Material type: materialTypeLabelBookSeries: United States Bureau of Mines. Report of investigations 8955. Publisher: Washinton : U.S. Dept. of the Interior, Bureau of Mines, (1985)Description: 20 p. : ill. ; 28 cm.Report number: USBM ri-8955Subject(s): Mine roof control | Air conditioning | Coal mines and mining -- Safety measures | Shale -- Safety measures | Mine ventilation
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Bibliography: p. 19-20

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