Ventilating methods and safety measures used in the temporary ventilation of the King Solomon tunnel, Frisco, Summit County, Colo.

Author:	Bolmer, R. L.
Additional Authors:	Fritts, G. B.
Year:	1951
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7603
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	7603
Subjects:	Mine ventilation
	Tunnels--Colorado
	Abandoned mines--Colorado
Link:	https://hdl.handle.net/2027/mdp.39015078455600