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- River engineering 7
- United States--Appropriations and expenditures 7
- River surveys 4
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- West (U.S.) 2
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Region
- Priest Rapids >> Kittitas County >> Washington >> United States 7
- Rock Island Rapids >> Chelan County >> Washington >> United States 7
- Columbia River >> Clatsop County >> Oregon >> United States 6
- Cabinet Rapids (historical) >> Chelan County >> Washington >> United States 5
- Snake River >> British Columbia >> Canada 4
- Astoria >> Clatsop County >> Oregon >> United States 3
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 3
- Cowlitz River >> Cowlitz County >> Washington >> United States 3
- Portland >> Clackamas County >> Oregon >> United States 3
- The Dalles >> Wasco County >> Oregon >> United States 3
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- Text 4
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Decade
- 1890-1899 7