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Topic
- United States--Appropriations and expenditures 8
- River engineering 7
- River surveys 5
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- Transportation 3
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- Canals--Design and construction--Costs 2
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 8
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- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 4
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License
- Creative Commons: Public Domain Mark 1.0 8
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- Collection 5
- Text 3
Collection
- Western Waters Digital Library 8