Geological formations of the American Southwest, Eastern Sierra and Great Basin.
Tufa Formations of Mono Lake.
Death Valley's Mesquite Sand Dunes.
Natural Organ Pipes. Tufa Formations of Mono Lake.
Backbone of the Painted Hills.
Delicate Arch. Arches National Park
Soil Strata. Painted Hills
Death Valley's Mesquite Sand Dunes.
Bryce Canyon National Park
Slope. Death Valley's Mesquite Sand Dunes.
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