Methane accumulations from interrupted ventilation,with special reference to coal mines in Illinois and Indiana

Author:	Smith, Howard I.
Additional Authors:	Hamon, Robert J.,
Year:	1918
Document Type:	USBM
Issuing Agency:	U.S.Bureau of Mines,
SUDOC:	I 28.7:190
Series:	Technical paper / United States. Bureau of Mines ;
Report Number:	190
Subjects:	Coal mines and mining--Safety measures
	Mine ventilation
	Methane
	Mine gases
Link:	https://hdl.handle.net/2027/mdp.39015077565730