Portable methane-detecting appliances approved under United States Bureau of Mines standard

Author:	Gleim, E. J.
Year:	1954
Document Type:	BMRA
Issuing Agency:	United States Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:5056
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	5056
Subjects:	Coalbed methane
	Mine gases
	Gas detectors
Link:	https://hdl.handle.net/2027/mdp.39015078469148