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Subject
- Canyons[remove]21
- Rivers[remove]21
- Trees[remove]21
- Cliffs14
- Rocks13
- Mountains12
- Grasses9
- Colorado River (Colo.-Mexico)8
- Roads8
- Utility poles7
- Glenwood Canyon (Colo.)6
- Rock formations6
- Shrubs6
- Black Canyon of the Gunnison (Colo.)5
- Black Canyon of the Gunnison National Park (Colo.)5
- Railroads5
- Erosion4
- National parks & reserves4
- Clouds3
- Eagle River (Colo.)3