Survey of face ventilation practices in coal mines

Author:	Stahl, R. Ward.
Additional Authors:	Kapsch, F. F.
Year:	1960
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:5560
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	5560
Subjects:	Coal mines and mining--Safety measures
	Mine ventilation
Link:	https://hdl.handle.net/2027/mdp.39015078528802