Tim Fitzharris / Full moon rising over Sangre de Cristo Mountain Range, Alamosa National Wildlife Refuge, Colorado
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Tim Fitzharris / Sand dunes with Sangre de Cristo Mountains in the background, Great Sand Dunes National Park and Preserve, Colorado
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Tim Fitzharris / Rippled sand dunes with Sangre de Cristo Mountains in the background, Great Sand Dunes National Park and Preserve, Colorado
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Tim Fitzharris / Rio Grande and Sangre de Cristo Mountains, Colorado
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Tim Fitzharris / Rio Grande and the Sangre de Cristo Mountains, Colorado
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Tim Fitzharris / Rio Grande and the Sangre de Cristo Mountains, Colorado
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Tim Fitzharris / 750 foot tall sand dunes rise against the Sangre de Cristo Mountains, Great Sand Dunes National Monument, Colorado
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Tim Fitzharris / Sangre de Cristo Mountains at Great Sand Dunes National Monument, Colorado
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Tim Fitzharris / Coyote tracks flowering shrubs on the dune fields in front of the Sangre de Cristo Mountains, Great Sand Dunes National Monument, Colorado
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Tim Fitzharris / Flowering shrubs on the dune fields in front of the Sangre de Cristo Mountains, Great Sand Dunes National Monument, Colorado
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Tim Fitzharris / Sangre de Cristo Mountains at Great Sand Dunes National Monument, Colorado
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Tim Fitzharris / Quaking Aspen (Populus tremuloides) forest in autumn, Santa Fe National Forest, Sangre de Cristo Mountains, New Mexico