Methane emission from U.S. coal mines in 1975 :a survey : a supplement to Information circulars 8558 and 8659

Additional Authors:	Irani, M. C.
Year:	1977
Document Type:	USBI
Issuing Agency:	Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8733
Series:	Information circular - Bureau of Mines ;
Report Number:	8733
Subjects:	Coal mines and mining--United States
	Mine gases
	Methane--Measurement
Link:	https://hdl.handle.net/2027/mdp.39015078473140