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U.S. Postal Commemorative, Jefferson National Expansion Memorial
St. Louis, Missouri
The Great Sand Dunes rise more than 750 feet above the floor of the San Louis Valley, at the base of the Sangre de Cristo Mountains in Colorado. Strong winds blow over the mountains toward the northeast, moving sand and constantly reshaping the dunes.
Wonders of America: Land of Superlatives Stamp Series@2005 United States Postal Service. All rights reserved. Used with Permission.
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Image courtesy of Debbi Sinclair, GVCC. My husband and I took our nieces camping the summer if 2011. One of our stops was the Great Sand Dunes. It was a really big hit! It’s hard to believe there is such a thing in mountain country!