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