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- Rivers--Oregon 33
- Bridges 16
- Roads 8
- Lichens 6
- Cities and towns 4
- Rivers 4
- Dirt roads 2
- Fishing 2
- Landscapes 2
- Ponds 2
- Ships 2
- Transportation 2
- Trees 2
- Aerials 1
- Aves 1
- Coarse woody debris 1
- Coastal 1
- Covered bridges 1
- Dams 1
- Erosion 1