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Creator
- United States. Army. Office of the Chief of Engineers 72
Region
- Portland >> Clackamas County >> Oregon >> United States 72
- Willamette River >> Multnomah County >> Oregon >> United States 55
- Columbia River >> Clatsop County >> Oregon >> United States 53
- Cowlitz River >> Cowlitz County >> Washington >> United States 31
- Snake River >> Franklin County >> Washington >> United States 25
- Chehalis River >> Grays Harbor County >> Washington >> United States 24
- Nooksack River >> Whatcom County >> Washington >> United States 24
- Skagit River >> Skagit County >> Washington >> United States 23
- Snohomish River >> Snohomish County >> Washington >> United States 21
- Astoria >> Clatsop County >> Oregon >> United States 16
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Type
- Text 65
- Collection 7
