Particulars of great engineering feat accomplished in about three years; length 41,152 ft., clear width, 16 ft., grade in tunnel 1.565 per cent.; cost of tunnel, $14,000,000; cost of tunnel and 75 mi. electrification $25,000,000.
Opening the cascade tunnel -- Great northern railway
Ry. Jl
Railway Journal ; 35 , n 2
1929
4 pages
9 Figs.
Aufsatz (Zeitschrift)
Englisch
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The new cascade eight-mile tunnel for the Great Northern railway
Engineering Index Backfile | 1927
The electric system of the great northern railway company at cascade tunnel
Engineering Index Backfile | 1909
|Cascade tunnel completed by Great Northern
Engineering Index Backfile | 1929
|Electric traction in the cascade tunnel of Great Northern Railway U. S. A
Engineering Index Backfile | 1909
Electrical operation on cascade division of great northern railway
Engineering Index Backfile | 1932
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