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