Sames, Gary P.

Coal mine air tempering : effectiveness, design, and roof support / by Gary P. Sames - Washinton : U.S. Dept. of the Interior, Bureau of Mines, (1985) - 20 p. : ill. ; 28 cm. - United States Bureau of Mines. Report of investigations 8955 .

Bibliography: p. 19-20


Mine roof control.
Air conditioning.
Coal mines and mining--Safety measures.
Shale--Safety measures.
Mine ventilation.

USBM ri-8955