All photographs copyright (2003-2013) by Kris H. Light

<b>Great Sand Dunes National Park</b><br>
Great Sand Dunes National Park
The sand in the dunes is made up of tiny particles of rocks and minerals from mountains many miles away. Wind blows the sand across the land until it piles up in the park.
The darker sand is made up of heavier minerals and separates out from the lighter, but larger rock grains.

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