Impact of using auxiliary fans on coal mine ventilation efficiency and cost
By: by Keith G. Wallace, Jr. ... [et al.].
Contributors: Wallace, Keith G.
Series: Report of investigations ;; 9307; Report of investigations (United States. Bureau of Mines) ;; 9307
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1990
Place of publication: Washington, D.C
Language: eng
Subjects: Mine ventilation.; Air flow.; Fans (Machinery); Brattices (Mining)