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Subject
- Rock formations[remove]339
- Cliffs232
- Trees145
- Canyons133
- National parks & reserves106
- Mesas104
- Shrubs99
- Mountains98
- Buttes96
- Erosion82
- Rocks72
- Grasses71
- Grand Canyon (Ariz.)63
- Hills55
- Valleys55
- Grand Canyon National Park (Ariz.)50
- Monument Valley (Ariz. and Utah)38
- Deserts30
- Chelly, Canyon de (Ariz.)27
- Chiricahua National Monument (Ariz.)27