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Historic stream surveys
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Fish ladders
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91. [Image] Rosa Dam fish ladder
Fish ladder over Rosa DamCitation -
92. [Image] Rock Island dam spill and fish ladder
Rock Island dam and central spillway and fish ladderCitation -
94. [Image] Dam and fish ladder
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95. [Image] Temporary fish ladder
Temporary fish ladder at the Bonneville Dam on the Washington side. Dam was under constructionCitation -
96. [Image] Elgin dam and fish ladder
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97. [Image] Temporary fish ladder
Temporary fish ladder on the Oregon side of the Bonneville Dam. There is a salmon in air at left side of jumpCitation -
98. [Image] Spillway and fishway
Spillway and fishway with government locks in the background on the Yamhill River near Lafayette, Oregon; 1940-09-26 From Album 1 page 41Citation -
99. [Image] Fish ladder
Fish ladder at Clearwater River dam near Lewiston, IdahoCitation -
100. [Image] Temporary fish ladder
Temporary fish ladder at the Bonneville DamCitation