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Creator
- Rosenthal, Abraham, 1870-1929 7
- Warren, George C., 1877- 3
Topic
- Northwest, Pacific 7
- Highway engineering 6
- Photography 6
- Scenic byways 4
- Mountains 3
- Bridges 2
- Riparian areas 2
- Rivers 2
- Tunnels 2
- Waterfalls 1
Region
- Columbia River >> Clatsop County >> Oregon >> United States 7
- Oneonta Gorge >> Multnomah County >> Oregon >> United States 2
- Eagle Creek >> Clackamas County >> Oregon >> United States 1
- Horsetail Falls >> Multnomah County >> Oregon >> United States 1
- Multnomah Falls >> Multnomah County >> Oregon >> United States 1
Type
- Text 6
- Collection 1