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Flickr/James St. John The 1842 Tuberculosis Hospital in Mammoth Cave Dr. John Croghan bought Mammoth Cave in 1839 for $10,000 ...
Park Ranger John on MSN20h
THINGS TO DO MAMMOTH CAVE NATIONAL PARKMammoth Cave National Park was established on July 1, 1941, designated a World Heritage Site in 1981 and became an Inter ...
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