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Fish passage collage

Detailed Description

From left: Fish ladder at John Day Lock and Dam (Credit: Karim Delgado, USACE). The floating surface collector on the Clackamas River helps juvenile salmon go downstream safely past hydropower facilities (Credit: NOAA Fisheries). Chinook salmon in the holding pool at Keswick Dam (Credit: Steve Martarano, USFWS).

Sources/Usage

Public Domain.

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