Replacing brattice cloth at coal faces with air curtains and diffuser fans,a preliminary study

Author:	Bielicki, Richard J.
Additional Authors:	Kissell, Fred N., Thimons, Edward D.,
Year:	1975
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8052
Series:	Report of investigations / Bureau of Mines ;
Report Number:	8052
Subjects:	Mine ventilation
	Mine explosions
Link:	https://hdl.handle.net/2027/mdp.39015078485433