Scraping Barnacles Gives Salmon A Fighting Chance
A Corps of Engineers employee scrapes barnacle buildup along the filling tunnels at Lake Washington Ship Canal and Hiram M. Chittenden Locks, Seattle, Dec. 12, 2023. The Corps of Engineers is required by federal legislation to scrape the barnacle buildup once a year to make the large lock safer for juvenile salmon going through it as they migrate out to sea.

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Photo by: Nicole L. Celestine  |  VIRIN: 231212-A-VA654-1047.JPG