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Topic
- Rivers 38
- Bodies of water 34
- Northwest, Pacific 34
- Photography 33
- Riparian areas 21
- Mountains 17
- Postcards 13
- Formations (Geology) 12
- Railroads 7
- Forests and forestry 6
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Region
- Oregon >> United States 25
- Columbia River >> Clatsop County >> Oregon >> United States 18
- Columbia River >> Douglas County >> Washington >> United States 14
- Washington >> United States 14
- Cape Horn >> Skamania County >> Washington >> United States 3
- Pillars of Hercules >> Multnomah County >> Oregon >> United States 3
- Castle Rock >> Malheur County >> Oregon >> United States 2
- Eagle Creek >> Clackamas County >> Oregon >> United States 2
- Saint Peters Dome >> Multnomah County >> Oregon >> United States 2
- The Dalles >> Wasco County >> Oregon >> United States 2
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Format
- image/tiff 38
Institution
- University of Oregon 38
Decade
- 1860-1869 38