"Mammoth Cave was under private ownership before it became a National Park in 1941. For over 85 years, the cave was owned and operated by John Croghan of Locust

"Mammoth Cave was under private ownership before it became a National Park in 1941. For over 85 years, the cave was owned and operated by John Croghan of Locust

Eighty-two square miles of rolling hills and valleys in south-central Kentucky make up Mammoth Cave National Park, one of four National Park units in the Common

"More than four hundred books, pamphlets, scientific reports and magazine articles have been published by different writers besides innumerable newspaper contri