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NOAA Photo Library Image - fizh1820

Fish ladder enable salmon to return upstream to reach their spawning ground. This device helped assure the conservation of the fish resources of the Columbia River by assisting the fish in bypassing the Bonneville Dam.

Image ID: fizh1820, NOAA's Historic Fisheries Collection
Location: Oregon, Columbia River, Bonneville Dam
Credit: NOAA Central Library Historical Fisheries Collection

High Resolution Photo Available

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Last Updated:
June 10, 2016