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You searched for: Start Over Format image/tiff Remove constraint Format: image/tiff Topic Dams Remove constraint Topic: Dams Photographer Witter, Alfred S. Remove constraint Photographer: Witter, Alfred S.

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1. Loading fish truck
Loading fish truck
Description
Left trap at Rock Island Dam
2. Releasing marked fish
Releasing marked fish
Description
Releasing marked fish above Bonneville Dam with the anal and right vental removed, Location Notes: Middle Columbia River Watershed (Oregon and Washington)
3. Wallowa Lake dam
Wallowa Lake dam
Description
Downstream view of dam at outlet of Wallowa Lake. Large pipe in foreground conveys water to power plant at Joseph, Oregon, Location Notes: Lower Snake River Watershed (Wyoming-Washington)
4. Chinooks in brail
Chinooks in brail
Description
Chinooks in brail in the south trap at Rock Island Dam
5. Loading fish truck
Loading fish truck
Description
Loading fish truck at east trap at Rock Island Dam
6. Chinooks in brail
Chinooks in brail
Description
Chinooks in brail at Rock Island Dam
7. Rock Island Dam power plant and gates
Rock Island Dam power plant and gates
8. Rock Island Dam
Rock Island Dam
9. Falls and log jam
Falls and log jam
Description
Falls and log jam in Little Wenatchee River beyond which the bluebacks, chinooks, steelheads, "silvers," etc could not migrate in 1939
10. Rock Island Dam north trap
Rock Island Dam north trap
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