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Subject
- Canyons23
- Grand Canyon (Ariz.)[remove]23
- Rivers[remove]23
- Grand Canyon National Park (Ariz.)20
- National parks & reserves20
- Cliffs19
- Colorado River (Colo.-Mexico)17
- Erosion13
- Rock formations13
- Valleys11
- Buttes10
- Colorado River Valley (Colo.-Mexico)9
- Mesas8
- Lipan Point (Ariz.)6
- Desert View Point (Ariz.)5
- Hopi Point (Ariz.)4
- Trees4
- Clouds3
- Granite Gorge (Ariz.)3
- Moran Point (Ariz.)3