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Historic stream surveys
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Rivers -- Washington
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Dams
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Spillways
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1. [Image] Rock Island dam central spillway
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2. [Image] Central spillway at the Rock Island Dam
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3. [Image] Central spill taken from middle fishway
Rock Island DamCitation -
4. [Image] Rock Island Dam
Rock Island dam showing central spillway and west trap and fishwayCitation -
5. [Image] Rock Island Dam
Rock Island dam showing the central spillway, west trap and fishwayCitation -
6. [Image] Central spill and left fishway
Central spill and left fishway taken from middle fishway at Rock Island DamCitation -
7. [Image] Rock Island dam spill and fish ladder
Rock Island dam and central spillway and fish ladderCitation
