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Making America's Best Idea Even Better
Mammoth Cave National ParkSaltpetre mining ruins in Mammoth Cave. The apparatus was damaged in the New Madrid earthquakes of 1811-1812.
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Mammoth Cave National Park
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Tuberculosis Hut in Mammoth Cave  

Did You Know?
In 1841, cave owner Dr. John Croghan believed the cave air might cure his patients suffering from tuberculosis. He brought 16 patients into Mammoth Cave that winter and housed them in stone and wood huts. After some perished, they left the cave, for of course the cave air offered no cure.

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Last Updated: August 15, 2009 at 14:47 EST