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Subject
- Canyons[remove]3
- Hills[remove]3
- Railroads2
- Rocks2
- Shrubs2
- Blue Mesa (Ariz.)1
- Boulders1
- Cajon Canyon (Calif.)1
- Cliffs1
- Deserts1
- Feather River (Calif.)1
- Feather River Canyon (Calif.)1
- Mesas1
- Mountains1
- National parks & reserves1
- Petrified Forest National Park (Ariz.)1
- Petrified forests1
- Railroad bridges1
- Rapids1
- Rivers1