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Topic
- River engineering 5
- United States--Appropriations and expenditures 5
- River surveys 3
- Bodies of water 2
- Canals--Design and construction--Costs 2
- Dams--Design and construction 2
- Locks (Hydraulic engineering) 2
- Railroad engineering 2
- Transportation 2
- United States. Congress--Records and correspondence 2
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 5
- Portland >> Clackamas County >> Oregon >> United States 5
- Priest Rapids >> Kittitas County >> Washington >> United States 5
- Snake River >> British Columbia >> Canada 5
- Willamette River >> Multnomah County >> Oregon >> United States 5
- Astoria >> Clatsop County >> Oregon >> United States 4
- Cowlitz River >> Cowlitz County >> Washington >> United States 4
- Lewiston >> Nez Perce County >> Idaho >> United States 4
- Pacific Ocean >> Earth 4
- The Dalles >> Wasco County >> Oregon >> United States 4
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Format
- application/xml 5