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Through the Sands of Time, Great Sand Dunes National Park, Alamosa Colorado, landscapes, nature photo
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Through the Sands of Time

Great Sand Dunes National Park near Alamosa, Colorado

Estimated between 12,000 to 1 million years old, the majority of the sand from the Great Sand Dunes originated from the nearby San Juan Mountains, more than 65 miles to the west.

Photo © copyright by Erik and Melissa Barnes.

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Related Galleries: Great Sand Dunes National Park and Preserve

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