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Subject
- Mountains[remove]407
- Shrubs241
- Trees163
- Cactus102
- Rock formations98
- Clouds92
- Cliffs81
- Rocks81
- Hills72
- Roads57
- Deserts55
- Grasses55
- Canyons48
- Tucson Mountains (Ariz.)47
- Santa Catalina Mountains (Ariz.)37
- Buildings36
- Saguaro36
- Electric lines30
- National parks & reserves29
- Flowers27