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Topic
- Bodies of water 19
- Rivers 19
- West (U.S.) 19
- Canals--Design and construction--Costs 16
- Dams--Design and construction 16
- Northwest, Pacific 16
- Transportation 16
- Water resources development 16
- River channels 3
- River engineering 3
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Region
- Cowlitz River >> Cowlitz County >> Washington >> United States 19
- Snake River >> Franklin County >> Washington >> United States 18
- Willamette River >> Multnomah County >> Oregon >> United States 18
- Columbia River >> Clatsop County >> Oregon >> United States 15
- Portland >> Clackamas County >> Oregon >> United States 15
- Skagit River >> Skagit County >> Washington >> United States 14
- Chehalis River >> Grays Harbor County >> Washington >> United States 13
- Nooksack River >> Whatcom County >> Washington >> United States 13
- Astoria >> Clatsop County >> Oregon >> United States 12
- Columbia City >> Columbia County >> Oregon >> United States 12
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Type
- Text 17
- Collection 2
Decade
- 1880-1889 19