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Topic
- Columbia River 21
- Rapids 15
- Waterfalls 14
- Oregon, Eastern 13
- Iron and steel bridges 4
- Irrigation canals and flumes 4
- Rivers 4
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- Indians of North America 3
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Region
- The Dalles >> Wasco County >> Oregon >> United States 21
- Columbia River >> Clatsop County >> Oregon >> United States 1
Repository
- University of Oregon. Libraries. Special Collections & University Archives 21
Format
- image/tiff 21