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A platform for research: civil engineering, architecture and urbanism
New dam will double water supply of Portland, Ore
Gravity concrete structure 200 ft. above bedrock will have central spillway slide, automatic outlet gates above dam and needle valves to below dam to control outflow.
New dam will double water supply of Portland, Ore
Gravity concrete structure 200 ft. above bedrock will have central spillway slide, automatic outlet gates above dam and needle valves to below dam to control outflow.
New dam will double water supply of Portland, Ore
Eng. News-Rec
Henny, D.C. (author)
1927
5 pages
Article (Journal)
English
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