In-mine installation of passive water barriers

Additional Authors: Cheng, Lung., Furno, A. L., Malcolm, Dennis R., Pro, Richard.
Year: 1984
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:8915
Series: Report of investigations / Bureau of Mines ;
Report Number: 8915
Subjects: Mine dusts
Coal mines and mining--Pennsylvania--Indiana--Safety measures
Link: https://hdl.handle.net/2027/mdp.39015078469932

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