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![Fish ladder enable salmon to return upstream to reach their spawning ground fizh1820.jpg Fish ladder enable salmon to return upstream to reach their spawning ground](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fizh1820.jpg?itok=8PsaDcrR)
Description
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 credit: NOAA Central Library Historical Fisheries Collection)
Credit
NOAA Central Library Historical Fisheries Collection
Location
Oregon, Columbia River, Bonneville Dam
Collection
Historic Fisheries