WAlamo bolide impactWBonneville Salt FlatsWColumbia River drainage basinWCoral Pink Sand Dunes State ParkWGrand StaircaseWLittle Sahara Recreation AreaWMuley Point (San Juan County, Utah)WPeter SinksWPilot Valley Playa (Nevada and Utah)WSan Rafael SwellWUinta BasinWUpheaval DomeWVermilion Cliffs
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