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 (United States. Bureau of Mines) -- 9307.
Publisher: Dept. of the Interior
Published: 1990
Place of publication: Washington, DC
Language: eng
Subjects: Mine ventilation.; Air flow.; Fans (Machinery); Brattices (Mining)
Notes:  90001512 // t_oclc

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