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Topic
- River engineering 6
- United States--Appropriations and expenditures 6
- River surveys 4
- Bodies of water 1
- West (U.S.) 1
Region
- Rock Island Rapids >> Chelan County >> Washington >> United States 6
- Columbia River >> Clatsop County >> Oregon >> United States 5
- Priest Rapids >> Kittitas County >> Washington >> United States 4
- Cabinet Rapids (historical) >> Chelan County >> Washington >> United States 3
- Okanogan River >> Okanogan County >> Washington >> United States 2
- Alsea River >> Lincoln County >> Oregon >> United States 1
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 1
- Chehalis River >> British Columbia >> Canada 1
- Chehalis River >> Grays Harbor County >> Washington >> United States 1
- Coos River >> Coos County >> Oregon >> United States 1
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Format
- image/jpeg 6