Hot high-nitrogen gas in a metal mine

Author:	McElroy, G. E.
Year:	1921
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:2282
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	2282
Subjects:	Mines and mineral resources--Utah--East Tintic Mountains
	Nitrogen as a test gas
	Mine gases
	Mines and mineral resources
Link:	https://hdl.handle.net/2027/mdp.39015086555037