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Subject
- Automobiles2
- Berries1
- Bodies of water1
- Boulders6
- Bridges1
- Buttes9
- California Zephyr (Express train)1
- Canyons11
- Cliffs19
- Clouds15
- Colorado National Monument (Colo.)17
- Colorado River (Colo.-Mexico)12
- Colorado River Valley (Colo.-Mexico)4
- Denver and Rio Grande Western Railway Company1
- Deserts2
- Dirt roads1
- Erosion6
- Fences2
- Formations (Geology)1
- Grand View Overlook (Colo.)1