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Topic
- Rivers--Oregon 18
- Dams 7
- Agricultural laborers 2
- Agriculture 2
- Boats 2
- Cauliflower 1
- Containers 1
- Crayfish 1
- Formations (Geology) 1
- Harvesting 1
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Region
- Multnomah County >> Oregon >> United States 24
- Sandy River >> Multnomah County >> Oregon >> United States 10
- Bull Run River >> Clackamas County >> Oregon >> United States 4
- Columbia River >> Clatsop County >> Oregon >> United States 4
- Willamette River >> Multnomah County >> Oregon >> United States 2
- Little Sandy River >> Clackamas County >> Oregon >> United States 1
Format
- image/tiff 24
Institution
- Oregon State University 24
Decade
- 1940-1949 24