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Topic
- Northwest, Pacific 30
- Bodies of water 29
- Rivers 29
- Canals--Design and construction--Costs 18
- Transportation 18
- Water resources development 18
- West (U.S.) 18
- Dams--Design and construction 17
- Photography 10
- Riparian areas 7
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 30
- Chehalis River >> Grays Harbor County >> Washington >> United States 16
- Cowlitz River >> Cowlitz County >> Washington >> United States 15
- 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 16
- Image 12
- Collection 2
Format
- image/jpeg 16
- image/tiff 12
- application/xml 2
Decade
- 1880-1889 30