Preliminary evaluation of bit impact ignitions of methane using a drum-type cutting head

Additional Authors:	Wingquist, Carl F., Larson, David A., Roepke, Wallance W., Dellorfano, V. William.
Year:	1982
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8755
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	8755
Subjects:	Coal mines and mining--Safety measures
	Coal-mining machinery--Safety measures
	Methane--Combustion--Testing
Link:	https://hdl.handle.net/2027/mdp.39015078488734