DescriptionBonneville Dam fish ladder 2006.jpg English: Large pool-and-weir fish ladder at Bonneville Dam on the Columbia River, USA Date 2 September 2006 Source...
DescriptionBonneville Dam large pool-and-weir fish ladder 2006.jpg English: Large pool-and-weir fish ladder at Bonneville Dam on the Columbia River, USA...
measures have been in place for nearly 70 years — Bonneville Dam was constructed in 1938 with a fish ladder to allow upstream passage of returning adult salmon12...
Report RL33480 Dam Removal: Issues, Considerations, and Controversies Nic Lane, Resources, Science, and Industry Division November 20, 2006 Abstract. As...
DescriptionBonneville Dam,OR, Fish Ladder View, 2006 (6512156917).jpg English: (1 in a multiple picture set) This is the scene of the underground room...
FISH-COUNTING STATION WITH PUBLIC VIEWING WINDOWS UNDER CONSTRUCTION AT BONNEVILLE DAM. THIS WILL REPLACE OLD FISH LADDERS AND "SPLASH BOARD" COUNTING...
FISH-COUNTING STATION WITH PUBLIC VIEWING WINDOWS UNDER CONSTRUCTION AT BONNEVILLE DAM. THIS WILL REPLACE OLD FISH LADDERS AND "SPLASH BOARD" COUNTING...
FISH-COUNTING STATION WITH PUBLIC VIEWING WINDOWS UNDER CONSTRUCTION AT BONNEVILLE DAM. THIS WILL REPLACE OLD FISH LADDERS AND "SPLASH BOARD" COUNTING...
FISH-COUNTING STATION WITH PUBLIC VIEWING WINDOWS UNDER CONSTRUCTION AT BONNEVILLE DAM. THIS WILL REPLACE OLD FISH LADDERS AND "SPLASH BOARD" COUNTING...
FISH-COUNTING STATION WITH PUBLIC VIEWING WINDOWS UNDER CONSTRUCTION AT BONNEVILLE DAM. THIS WILL REPLACE OLD FISH LADDERS AND "SPLASH BOARD" COUNTING...