A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Tunnel construction
Method of procedure and details of construction involved in driving 20-ft tunnel nearly 2 mi long, on Roza division, Yakima Irrigation project, Washington; equipment; tunnel activity in hard rock; drilling; trimming.
Tunnel construction
Method of procedure and details of construction involved in driving 20-ft tunnel nearly 2 mi long, on Roza division, Yakima Irrigation project, Washington; equipment; tunnel activity in hard rock; drilling; trimming.
Tunnel construction
Reclamation Era
Albertson, C.L. (author) / de Vere Fairchild, C. (author)
Reclamation Era ; 29
1939
5 pages
Article (Journal)
English
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