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Creator
- United States. Army. Office of the Chief of Engineers 4
Region
- Oregon >> United States 4
- Washington >> United States 4
- Columbia River >> Clatsop County >> Oregon >> United States 2
- Astoria >> Clatsop County >> Oregon >> United States 1
- Cathlamet >> Wahkiakum County >> Washington >> United States 1
- Clackamas Rapids >> Clackamas County >> Oregon >> United States 1
- Corvallis >> Benton County >> Oregon >> United States 1
- Cowlitz River >> Cowlitz County >> Washington >> United States 1
- Willamette River >> Multnomah County >> Oregon >> United States 1