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![Looking across a ladder pool fish6665.jpg Looking across a ladder pool](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fish6665.jpg?itok=Zu8Qr59l)
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https://www.noaa.gov/media/digital-library-photo/pl23fish6665jpgDescription
Looking across a ladder pool. Ladder flow shut off for a survey. (Image credit: NMFS/Northwest Fisheries Science Center; Pacific Northwest Collection)
Credit
NMFS/Northwest Fisheries Science Center; Pacific Northwest Collection
Display Date
1957 September 24
Location
Oregon, Oregon City
Collection
Historic Fisheries
Keywords
Historic Fisheries
Salmon