Scotts Bluff (2012)
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Flint Hills (2012)
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Mount Washington (2012)
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Redwood National Park (2012)
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Sleeping Bear Dunes (2012)
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Big Bend National Park (2012)
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Death Valley (2012)
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Glacier National Park (2012)
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Great Salt Lake Desert (2012)
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Great Sand Dunes
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Hells Canyon (2012)
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Mississippi Palisades (2012)
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