Seasonal variation in respirable dust concentration in U.S. coal mines
By: by Nevin Greninger, Welby Courtney, and Edward Divers.
Contributors: Courtney, Welby G.; Divers, Edward F.
Series: Report of investigations ;; 9014; Report of investigations (United States. Bureau of Mines ;; 9014.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1986
Place of publication: Pittsburgh, Pa
Language: eng
Subjects: Mine dusts.; Coal mines and mining -- Dust control -- United States.; Seasons.
Notes: Bibliography: p. 7.