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Subject
- Canyons18
- Cliffs18
- Erosion[remove]18
- Grand Canyon (Ariz.)[remove]18
- Grand Canyon National Park (Ariz.)18
- National parks & reserves17
- Rock formations15
- Rivers10
- Buttes9
- Mesas8
- Colorado River (Colo.-Mexico)7
- Valleys7
- Colorado River Valley (Colo.-Mexico)6
- Lipan Point (Ariz.)5
- Granite Gorge (Ariz.)4
- Powell Plateau (Ariz.)4
- Trees4
- Grandview Point (Ariz.)2
- Desert View Point (Ariz.)1
- El Tovar Hotel (Grand Canyon, Ariz.)1