Diesel engines underground.

Additional Authors:	Berger, L. B., Schrenk, H. H., Holtz, John C., Elliott, M. A.
Year:	1940
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:3508
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3508
Subjects:	Mining machinery
	Diesel motor exhaust gas
Link:	https://hdl.handle.net/2027/mdp.39015078496679