Fish ladders at the Bonneville dam on the Columbia River, designed to help fish swim upstream past man made dams

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Size: 5616px × 3744px
Location: Portland, Oregon, USA
Photo credit: © Brian Brown / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: bonneville, columbia, current, dam, fish, ladders, migrate, migrating, migration, river, salmon, spawning, steelhead, swimming, upstream, water