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Subject
- Deserts[remove]6
- Mountains[remove]6
- Shrubs5
- Cactus3
- National parks & reserves2
- Saguaro2
- Saguaro National Park (Ariz.)2
- Valleys2
- Buttes1
- Cliffs1
- Colorado National Monument (Colo.)1
- Colorado River Valley (Colo.-Mexico)1
- Death Valley (Calif. and Nev.)1
- Deterioration1
- Flowers1
- Hills1
- Mesas1
- Ocotillo1
- Panamint Range (Calif.)1
- Panamint Valley (Calif.)1