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You searched for: Start Over Institution Oregon State University Remove constraint Institution: Oregon State University Topic Locks (Hydraulic engineering) Remove constraint Topic: Locks (Hydraulic engineering)

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1. Upper section of the Dalles-Celilo locks, Oregon
Upper section of the Dalles-Celilo locks, Oregon
2. Barge at Celilo Falls on the Columbia River
Barge at Celilo Falls on the Columbia River
3. In the locks of the canal around the Cascades of the Columbia River
In the locks of the canal around the Cascades of the Columbia River
Description
Photograph was hand colored.
4. Yamhill Locks near Lafayette, Oregon
Yamhill Locks near Lafayette, Oregon
5. Government Dam upper gates
Government Dam upper gates
Description
Upper gates in the government locks on the Yamhill River near Lafayette, Oregon When this photo was taken the water was so low that boats or log rafts could not be passed; 1940-09-26 From Album 1 page 41
6. Cascade Locks, Columbia River
Cascade Locks, Columbia River
Description
Here is shown the locks where boats are lowered from the river above the cascades to the level of the river below, or raised from the lower level to the higher.
7. Sailing through a lock, passenger perspective, circa 1910
Sailing through a lock, passenger perspective, circa 1910
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