The Flathead Tunnel: A Geologic, Operations, and Ground Support Study, Burlington Northern Railroad, Salish Mountains, Montana

Author:	Skinner, Eugene H.
Year:	1974
Document Type:	N/A
SUDOC:	I 28.27:8662
Series:	United States Bureau of Mines Reports
Report Number:	I. C. 8662
Subjects:	Tunneling.
	Tunnels.
Link:	http://digital.library.unt.edu/ark:/67531/metadc170843/