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Region
- Sandy River >> Multnomah County >> Oregon >> United States 16
- Multnomah County >> Oregon >> United States 10
- Clackamas County >> Oregon >> United States 5
- Marmot Dam (historical) >> Clackamas County >> Oregon >> United States 3
- Columbia River >> Clatsop County >> Oregon >> United States 2
- Little Sandy River >> Clackamas County >> Oregon >> United States 1
- Mount Hood >> Hood River County >> Oregon >> United States 1
Format
- image/tiff 16
Institution
- Oregon State University 16
Decade
- 1940-1949 16