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Dragon formation, Coronado Cave, Coronado National Memorial  

Did You Know?
Coronado Cave, located in Coronado National Memorial, has numerous scalloped and tilted limestone bedding planes. Geologists examining these scallops estimate that at one time as much as 50,000 gallons of water per minute flowed through the cave from east to west.

Last Updated: July 25, 2006 at 00:23 EST