Related Clues:

• It's not really there
• Buggy terrain?
• Illusory sight
• Western flattop?
• Arizona-based airline
• Ridge of sand
• Blur's peers
• Steep-walled formation
• Desert flora sight, perhaps
• Mescal, e.g.
• Seaside formation
• Bedouin's destination
• Miniature plateau
• Arizona's third-largest city
• Natural flood protection