In-mine installation of passive water barriers
By: by Lung Cheng ... [et al.].
Contributors: Cheng, Lung.
Series: Report of investigations ;; 8915; Report of investigations (United States. Bureau of Mines) ;; 8915.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1984
Place of publication: [Pittsburgh, Pa.]
Language: eng
Subjects: Mine dusts.; Coal mines and mining -- Pennsylvania -- Indiana -- Safety measures.
Notes: Bibliography: p. 9.