Yva Momatiuk & John Eastcott / Ripples on white gypsum sand dunes, White Sands National Park, New Mexico
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Jouan Rius / Gypsum sand dune at sunset, White Sands National Park, Chihuahuan Desert, New Mexico, USA, December 2012.
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Jack Dykinga / White Sands National Park with its white gypsum dunes dotted with Yuccas (Yucca elata) creating patterns amid the dunes, at sunset. White Sands, New Mexico. January 2013
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Jack Dykinga / White Sands National Park with its white gypsum dunes dotted with Yuccas (Yucca elata) creating patterns amid the dunes. White Sands, New Mexico, USA. January 2013
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Floris van Breugel / View of snow-like dunes of the White Sands National Park. These sand grains consist of tiny crystals of gypsum. New Mexico, USA, April 2010
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Tim Fitzharris / Gypsum dunes, Guadalupe Mountains National Park, Texas
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John Shaw / Frost on soaptree yuccas (Yucca elata) and winter morning fog, in the gypsum sand dunes of White Sands National Park, New Mexico, USA. January.
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John Shaw / Soaptree yucca (Yucca elata) on the gypsum sand dunes at White Sands National Park, New Mexico, USA. January.
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John Shaw / Soaptree yucca (Yucca elata) and gypsum sand dune at twilight, with the Belt of Venus (the blue of Earth's shadow below the pink sky of sunset). White Sands National Park, New Mexico, USA. Jan...
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John Shaw / Soaptree yucca (Yucca elata) and gypsum sand dunes at sunset, with San Adres mountains in distance. White Sands National Park, New Mexico, USA. January.
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John Shaw / Frost on soaptree yuccas (Yucca elata) and winter morning fog, in the gypsum sand dunes of White Sands National Park, New Mexico, USA. January.
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Nick Hawkins / View of gypsum cliffs near Cape Dauphin, Nova Scotia, Canada. July.
