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Mammoth Cave National Park Eastern Redbud - Cercis canadensis
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Mammoth Cave National Park
Post Office
 
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A United States Post Office is located behind the Caver's Camp Store near the Mammoth Cave Campground.  (270)758-2311.

The postal code for Mammoth Cave is 42259.

 
Mammoth Cave postage stamp and cancellation
Mammoth Cave postage stamp and special cancellation issued May 27, 2006.
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Eyeless cave fish

Did You Know?
Creatures that spend their entire lives in Mammoth Cave adapt to the dark world. Some types of cave fish, for example, do not grow eyes – supporting these extra unnecessary organs would consume precious energy in their nutrient-poor environment.
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Last Updated: August 31, 2010 at 19:01 MST