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  2. Mammoth Cave National Park - Wikipedia

    en.wikipedia.org/wiki/Mammoth_Cave_National_Park

    Tourists inside the cave. The park's mission is stated in its foundation document: [7] The purpose of Mammoth Cave National Park is to preserve, protect, interpret, and study the internationally recognized biological and geologic features and processes associated with the longest known cave system in the world, the park’s diverse forested karst landscape, the Green and Nolin rivers, and ...

  3. St. Louis Limestone - Wikipedia

    en.wikipedia.org/wiki/St._Louis_Limestone

    Geological map of Mammoth Cave National Park, incl. St. Louis Limestone Outcrops of the St. Louis Limestone near Frenchburg, Kentucky. The St. Louis Limestone is a large geologic formation covering a wide area of the midwest of the United States. It is named after an exposure at St. Louis, Missouri.

  4. List of longest caves in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_caves_in...

    Mammoth Cave National Park, also a World Heritage Site and International Biosphere Reserve. Longest cave in the world. 2 Jewel Cave: 353.69 km (219.8 mi) [4] [5] near Custer, South Dakota: Jewel Cave National Monument: 3 Wind Cave: 266.8 km (165.8 mi) [6]

  5. You have to look beneath the surface to fully appreciate ...

    www.aol.com/look-beneath-surface-fully...

    Mammoth Cave is the longest-known cave system in the world. “There are caves that have larger rooms, but we are the longest,” Schroer said. “We are currently mapped at 426 miles.

  6. Big Clifty Sandstone - Wikipedia

    en.wikipedia.org/wiki/Big_Clifty_Sandstone

    At Mammoth Cave National Park the Big Clifty overlies the Girkin Formation, the uppermost of three cave forming carbonate formations which the Mammoth-Flint Ridge cave system spans. [9] Below the Girkin Formation are the Ste. Genevieve Limestone, and the St. Louis Limestone respectively. The chemically resistant sediments comprising the Big ...

  7. Fisher Ridge Cave System - Wikipedia

    en.wikipedia.org/wiki/Fisher_Ridge_Cave_System

    The Fisher Ridge Cave System is a cave system located in Hart County, Kentucky, United States, near Mammoth Cave National Park. As of November 2019 it had been mapped to a length of 130.001 miles (209.216 km), making it the fifth-longest cave in the United States and the tenth-longest in the world. [1] [2]

  8. Brownsville, Kentucky - Wikipedia

    en.wikipedia.org/wiki/Brownsville,_Kentucky

    The city limits border the western edge of Mammoth Cave National Park, with access to Houchin Ferry Campground. State Routes 70 and 259 pass through the city together as Main Street. KY 70 leads east 20 miles (32 km) to Cave City and west 27 miles (43 km) to U.S. Route 231 at Aberdeen , while KY 259 leads southeast 12 miles (19 km) to U.S ...

  9. Wyandotte Caves - Wikipedia

    en.wikipedia.org/wiki/Wyandotte_Caves

    The Wyandotte Caves is a pair of limestone caves located on the Ohio River in Harrison–Crawford State Forest in Crawford County, Indiana, 5 miles (8 km) northeast of Leavenworth and 12 miles (19 km) from Corydon. Wyandotte Caves were designated a National Natural Landmark in 1972, and they are now part of O'Bannon Woods State Park. [1]