Related Clues:
- Desert feature
- Los Alamos is on one
- Grand Junction, Colorado, is its county seat
- Southwestern sights
- They're capped with caprock
- Acoma Pueblo site
- Southwestern topography
- City east of Phoenix
- Western elevations
- City east of Tempe
- Monument Valley features
- Flat formations
- Western flattop?
- Arizona-based airline
- Steep-walled formation