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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.
Oregon Caves National Monument and Preserve. Oregon Caves National Monument and Preserve is a protected area in the northern Siskiyou Mountains of southwestern Oregon in the United States. The 4,554-acre (1,843 ha) park, including the marble cave, is 20 miles (32 km) east of Cave Junction, on Oregon Route 46. The protected area, managed by the ...
Breathing cave. A breathing cave or barometric cave is a rare type of cave in which atmospheric pressure gradients between the inside and outside of a cave cause air to flow in to or out of the cave. [1] [2] The concept of air flowing through a cave is common, however in most caves this airflow is caused by a difference in temperature rather ...
In the background Herb's maps of the cave. In 1959, geologist, mountaineer and caver Dwight Deal had done some exploration in a small cave called Jewel Cave, a little known monument in the National Park System. He needed some companions who might help him continue his exploration trips there and turned to his friends, Herb and Jan.
Jewel Cave. South Dakota: NPS: February 7, 1908: 1,273.51 acres (5.2 km 2) 142,356 Jewel Cave is the third longest cave in the world, with more than 215 miles (346 km) of mapped passageways beneath the Black Hills of South Dakota.
Wind Cave National Park is an American national park 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.
The Minuteman Missile National Historic Site is an American national historic site established in 1999 near Wall, South Dakota, to illustrate the history and significance of the Cold War, the nuclear arms race, and intercontinental ballistic missile (ICBM) development. The site preserves the last intact Minuteman II ICBM system in the United ...
The Needles. / 43.84111°N 103.54444°W / 43.84111; -103.54444. The Needles of the Black Hills of South Dakota are a region of eroded granite pillars, towers, and spires within Custer State Park. Popular with rock climbers and tourists alike, the Needles are accessed from the Needles Highway, which is a part of Sylvan Lake Road (SD 87/89).
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