Some observations on coal-mine fans and coal-mine ventilation

Author:	Harrington, D.
Additional Authors:	Denny, E. H.
Year:	1938
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7032
Series:	Information circular / Bureau of Mines ;
Report Number:	7032
Subjects:	Mine ventilation
	Mine explosions
	Mines and mineral resources--United States--Safety measures
	Mine safety--United States
	Fans (Machinery)
Link:	https://hdl.handle.net/2027/mdp.39015077575440