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Subject
- Canyons4
- Cliffs4
- Erosion[remove]4
- Rock formations4
- Grand Canyon (Ariz.)3
- Grand Canyon National Park (Ariz.)3
- Mesas3
- National parks & reserves3
- Buttes2
- Powell Plateau (Ariz.)2
- Chelly, Canyon de (Ariz.)1
- Colorado River (Colo.-Mexico)1
- Colorado River Valley (Colo.-Mexico)1
- Granite Gorge (Ariz.)1
- Lipan Point (Ariz.)1
- Rivers1
- Rocks1
- Speaking Rock1
- Trees1
- Valleys1