President of Great Northern Railway describes process of construction; up-to-date machinery and skilled workmen hastened progress of construction; operations continued day and night, including Sundays and holidays; advantages of electrification.
Cascade tunnel completed by Great Northern
Eng. World
Engineering World ; 34 , n 2
1929
4 pages
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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