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  2. Jewel Cave National Monument - Wikipedia

    en.wikipedia.org/wiki/Jewel_Cave_National_Monument

    Jewel Cave National Monument contains Jewel Cave, currently the fifth longest cave in the world and second longest cave in the United States, with 220.01 miles (354.07 km) of mapped passageways as of May 2024. [3] [4] [5] It is located approximately 13 miles (21 km) west of the town of Custer in Black Hills of South Dakota.

  3. Black Hills - Wikipedia

    en.wikipedia.org/wiki/Black_Hills

    Above the Deadwood Formation lies the Englewood Formation and Pahasapa limestone, which is the source of the more than 200 caves found in the Black Hills, including Jewel Cave and Wind Cave. The Minnelusa Formation is next and is composed of highly variable sandstones and limestones followed by the Opeche shale and the Minnekahta limestone.

  4. Pahasapa Formation - Wikipedia

    en.wikipedia.org/wiki/Pahasapa_Formation

    Wind Cave is known for its calcite box work, a distinctive speleothem, and its passages that intersect with paleocave fill, indicating Mississippian-era caves that developed and then were flooded with sediment. [10] The Madison aquifer, the most important aquifer in South Dakota, is contained within the upper sections of the Pahasapa formation ...

  5. Centennial Trail (South Dakota) - Wikipedia

    en.wikipedia.org/wiki/Centennial_Trail_(South...

    The trail features diverse terrain, from rolling hills and prairie in the lower elevation areas to ponderosa pine forest and more rugged terrain in the Black Hills. [2]The trail begins at the Norbeck Trailhead in Wind Cave National Park and runs through the mixed-grass prairie of the park for 6.2 miles (10.0 km) before entering Custer State Park, where it remains for about 22 miles (35 km). [1]

  6. Rushmore Cave - Wikipedia

    en.wikipedia.org/wiki/Rushmore_Cave

    Some of the local townspeople heard news of this discovery, and became very curious as to what they might find inside the cave. The cave was created by a very long process stretching over a 360 million year time period. It started during the Mississippian Period, during which the entire Black Hills area was covered by a large inland sea.

  7. Mount Rushmore - Wikipedia

    en.wikipedia.org/wiki/Mount_Rushmore

    This is an accepted version of this page This is the latest accepted revision, reviewed on 10 February 2025. Mountain in South Dakota with sculptures of four U.S. presidents For the band, see Mount Rushmore (band). Mount Rushmore National Memorial Shrine of Democracy Tȟuŋkášila Šákpe Mount Rushmore features Gutzon Borglum's sculpted heads of George Washington, Thomas Jefferson, Theodore ...

  8. Wind Cave National Park - Wikipedia

    en.wikipedia.org/wiki/Wind_Cave_National_Park

    Wind Cave National Park is a national park of the United States located 10 miles (16 km) north of the town of Hot Springs in western South Dakota.Established on January 3, 1903 [3] by President Theodore Roosevelt, it was the sixth national park in the U.S. and the first cave to be designated a national park anywhere in the world.

  9. Category:Black Hills - Wikipedia

    en.wikipedia.org/wiki/Category:Black_Hills

    Pages in category "Black Hills" The following 112 pages are in this category, out of 112 total. ... Rushmore Cave; S. Sanford Underground Research Facility;

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