Fish ladder enable salmon to return upstream to reach their spawning ground

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.

Photo Location: Oregon, Columbia River, Bonneville Dam

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Author: NOAA Central Library Historical Fisheries Collection/ NOAA

License: Public Domain Mark 1.0 (Public domain)

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Added On	17th October 2015
Viewed	11 viewed