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Creator
- United States. Army. Office of the Chief of Engineers 44
Topic
- Canals--Design and construction--Costs 44
- West (U.S.) 38
- Dams--Design and construction 33
- Transportation 31
- Bodies of water 30
- Northwest, Pacific 29
- Rivers 29
- Water resources development 29
- United States--Appropriations and expenditures 12
- River engineering 10
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 40
- Portland >> Clackamas County >> Oregon >> United States 32
- Willamette River >> Multnomah County >> Oregon >> United States 31
- Cowlitz River >> Cowlitz County >> Washington >> United States 28
- Chehalis River >> Grays Harbor County >> Washington >> United States 26
- Nooksack River >> Whatcom County >> Washington >> United States 25
- Snake River >> Franklin County >> Washington >> United States 25
- Skagit River >> Skagit County >> Washington >> United States 24
- Snohomish River >> Snohomish County >> Washington >> United States 21
- Astoria >> Clatsop County >> Oregon >> United States 15
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Type
- Text 39
- Collection 5