Evaluating ventilation parameters of three coal mine gobs

Author:	Timko, Robert J.
Additional Authors:	Thimons, Edward D., Kissell, Fred N.
Year:	1986
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:9109
Series:	Information circular / Bureau of Mines ;
Report Number:	9109
Subjects:	Coal mines and mining--Safety measures
	Mine ventilation
	Mine gases
	Mine shafts
Link:	https://hdl.handle.net/2027/mdp.39015078464883