Related Clues:

• Badlands formation
• Butte relative
• Well-developed area?
• Table mountain
• It's not there
• Southwestern land formation
• Black Hills formation
• Oasis, at times
• City south of the Salt River
• Peyote is one
• Flat land formation
• Coastal high spot
• City founded by Mormon pioneers
• Illusion
• Fata morgana, e.g.