Pneumatic concrete placers mounted on cars being used to line five-mile Canadian Pacific Railway tunnel through Selkirk mountains.
Plant and equipment for lining the Selkirk Tunnel
Eng. News-Rec
Engineering News-Record ; 86 , n 10 ; p 418-420
1921
3 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1928
|Engineering Index Backfile | 1928
|Engineering Index Backfile | 1928
|Connaught tunnel on the Canadian pacific, through the selkirk range of the Rocky Mountains
Engineering Index Backfile | 1917