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pl23_fizh1811.jpg

Fish being counted out of each compartment of a special trap after beingsubjected to sound waves for a given period

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23fizh1811jpg

Description

Fish being counted out of each compartment of a special trap after beingsubjected to sound waves for a given period.

Credit

NOAA Central Library Historical Fisheries Collection

Location

Oregon, Columbia River, Bonneville Dam

Collection

Historic Fisheries