Protection against mine gases

Author:	Forbes, John J. V.
Additional Authors:	Pearce, S. J., Berger, L. B., Grove, G. W., Morrow, A. E., Walker, W. D.
Year:	1954
Document Type:	MAIN
Issuing Agency:	U.S. Govt. Print. Off.,
Series:	Miners' circular ;
Report Number:	35
Subjects:	Mine gases
	Mine rescue work
Link:	https://hdl.handle.net/2027/mdp.39015077562059