Concrete gravity dam on Columbia River is of spillway type; principal design feature is 675 × 86 ft lock having single lift of 92 ft under maximum conditions; fish ladder and fish lock adjoin navigation lock; system of lateral culverts and ports will fill and empty locks.
McNary Dam includes highest lift lock
Eng News-Rec
Engineering News-Record ; 141 , n 14
1948
5 pages
Aufsatz (Zeitschrift)
Englisch
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