Western Waters Digital Library
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Topic
- Transportation 53
- Northwest, Pacific 41
- Bodies of water 35
- West (U.S.) 34
- Rivers 33
- Canals--Design and construction--Costs 31
- Water resources development 30
- Dams--Design and construction 29
- River engineering 11
- United States--Appropriations and expenditures 11
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 37
- Portland >> Clackamas County >> Oregon >> United States 34
- Willamette River >> Multnomah County >> Oregon >> United States 32
- Cowlitz River >> Cowlitz County >> Washington >> United States 28
- Chehalis River >> Grays Harbor County >> Washington >> United States 27
- Snake River >> Franklin County >> Washington >> United States 26
- Nooksack River >> Whatcom County >> Washington >> United States 24
- Skagit River >> Skagit County >> Washington >> United States 24
- Snohomish River >> Snohomish County >> Washington >> United States 20
- Astoria >> Clatsop County >> Oregon >> United States 15
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Type
- Text 45
- Collection 8
