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Subject
- Colorado National Monument (Colo.)[remove]14
- National parks & reserves14
- Cliffs11
- Mountains11
- Shrubs11
- Buttes8
- Mesas8
- Rock formations7
- Rocks6
- Boulders5
- Trees5
- Valleys5
- Colorado River Valley (Colo.-Mexico)4
- Hills4
- Shadows4
- Canyons3
- Meadows3
- Colorado River (Colo.-Mexico)2
- Deserts2
- Junipers2