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U.S. Postal Commemorative, Jefferson National Expansion Memorial
St. Louis, Missouri
The Mississippi River Delta, where the mouth of the river meets the Gulf of Mexico, covers approximately 11,000 square miles, roughly a quarter of the state of Louisiana. The delta gradually changes form as sediment deposited by the river builds up.
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 Jim Roberts, GVCC