Coal mine air tempering
Subtitle: effectiveness, design, and roof support
By: by Gary P. Sames.
Series: Report of investigations / Bureau of Mines ;; 8955; Report of investigations (United States. Bureau of Mines) ;; 8955.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1985
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 20
Subjects: Mine ventilation.; Air conditioning.; Mine roof control.; Coal mines and mining -- Safety measures.; Shale -- Safety measures.
Notes: Bibliography: p. 19-20.