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- Formations (Geology) 38
- Coasts--Oregon 21
- Rivers--Oregon 11
- Canyons 2
- Capes (Coasts) 2
- Fishwheels 2
- Forests and forestry 2
- Lighthouses 2
- Bridges 1
- Canneries 1
- Civilian Conservation Corps (U.S.) 1
- Islands--Oregon 1
- Lakes--Oregon 1
- Portraits, Group 1
- Railroad tracks 1
- Roads 1
- Salmon 1
- Trucks 1