Cascade Locks, OR - Bonneville Lock and Dam: Fish Ladders
At the foot of the Bonneville Dam, researchers track voracious sea lions feeding on spring chinook - oregonlive.com
10 Fish ladder for returning adult salmon and steelhead at Bonneville... | Download Scientific Diagram
fish ladder, bonneville dam, columbia river | Through the gl… | Flickr
2015 Columbia chinook runs at record levels | The Spokesman-Review
Lamprey Rescue
Map of Bonneville Dam, showing fish ladder locations on Cascades and... | Download Scientific Diagram
BONNEVILLE DAM, OREGON - JUNE 24, 2018 - Fish Ladders Aid Salmon On Their Upstream Migration At The Bonneville Dam On The Columbia River In Oregon Stock Photo, Picture And Royalty Free Image. Image 104913015.