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Topic
- Roads 521
- Rivers 142
- Automobiles 101
- Bridges 90
- Trees 82
- Buildings 77
- Mountains 69
- Columbia River Highway (Or.) 57
- Cliffs 50
- Forest roads 48
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Region
- Portland >> Washington County >> Oregon >> United States 18
- Portland >> Clackamas County >> Oregon >> United States 16
- Rowena Crest >> Wasco County >> Oregon >> United States 9
- Historic Columbia River Highway State Trail >> Hood River County >> Oregon >> United States 8
- Umatilla River >> Umatilla County >> Oregon >> United States 8
- Mitchell Point Tunnel (historical) >> Hood River County >> Oregon >> United States 6
- Seaside >> Clatsop County >> Oregon >> United States 6
- Rowena >> Wasco County >> Oregon >> United States 5
- Mosier Twin Tunnels 653 >> Wasco County >> Oregon >> United States 4
- Laurel Hill >> Clackamas County >> Oregon >> United States 3
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Format
- image/tiff 521
Institution
- University of Oregon 521
Decade
- 1880-1889 521