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Subject
- Buttes1
- Canyons1
- Cliffs1
- Erosion1
- Grand Canyon (Ariz.)1
- Grand Canyon National Park (Ariz.)1
- Granite Gorge (Ariz.)1
- Mesas1
- National parks & reserves[remove]1
- Powell Plateau (Ariz.)1
- Rock formations1
- Trees[remove]1