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Creator
- Gillespie, G. L. 1
- United States. War Department 1
Contributor
- United States. Army. Corps of Engineers 1
Region
- Columbia River >> Douglas County >> Washington >> United States 1
- Oregon >> United States 1
- Snake River >> Franklin County >> Washington >> United States 1
- Washington >> United States 1
- Willamette River >> Multnomah County >> Oregon >> United States 1
- Yamhill River >> Yamhill County >> Oregon >> United States 1