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31. [Image] Spillway and dam on Clearwater River
Lewiston Dam on the Clearwater River near Lewiston, IdahoCitation -
32. [Image] Lewiston Dam ladder and spillway
Washington Water Power dam on the Clearwater River in IdahoCitation -
34. [Image] Upper concrete dam
Upper concrete dam in South Santiam River 2 1/2 miles above Lebanon, Oregon The Lebanon power diversion takes off a short distance above this dam on the right side;1940-08-14 From Album 1 page 10Citation -
35. [Image] Headgates of power ditch
Headgates of power ditch (shown faintly on left side of photo) taking off above Willamina Dam The dam is located on Willamina Creek, a tributary of the South Yamhill River, near Willamina, Oregon; 194...Citation -
36. [Image] Sunnyside dam
Sunnyside diversion dam showing central and south fish ladders. Sunnyside ProjectCitation -
37. [Image] Central fish hoist and elevator
Central fish hoist and elevator at Rock Island DamCitation -
38. [Image] Left fish trap
Left (east) fish trap at Rock Island DamCitation -
39. [Image] Lamprey eels at the Bonneville Dam
Lampreys are using a temporary fish ladder while the dam is under constructionCitation -
40. [Image] Finley Mill Dam