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Creator
- Finley, William L. (William Lovell), 1876-1953 1
Topic
- Rivers--Oregon 1
- Sewage disposal plants 1
- Water--Pollution 1
Region
- Baker City >> Baker County >> Oregon >> United States 1
- Burns >> Harney County >> Oregon >> United States 1
- Grants Pass >> Josephine County >> Oregon >> United States 1
- Medford >> Jackson County >> Oregon >> United States 1
- Portland >> Washington County >> Oregon >> United States 1
- Roseburg >> Douglas County >> Oregon >> United States 1
- Salem >> Marion County >> Oregon >> United States 1
- Silverton >> Marion County >> Oregon >> United States 1
