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The Black Hills, the United States' oldest mountain range, [11] is 125 miles (201 km) long and 65 miles (105 km) wide stretching across South Dakota and Wyoming. [12] The Black Hills derived its name from the black image that is produced by the "thick forest of pine and spruce trees" that covers the hills and was given the name by the Native Americans belonging to the Lakota (Sioux). [13]
website, complex includes museum with period displays, Clark Railroad Depot, a settler's shanty, a pioneer church and school; also known as Clark County Museum Big Thunder Gold Mine: Keystone: Pennington: Western: Mining: website, includes mine tour and museum Black Hills Mining Museum: Lead: Lawrence: Western: Mining: website, simulated gold ...
Badlands National Park is located in southwestern South Dakota, east of the Black Hills. It's about 75 miles away from the state's second-most populous city, Rapid City. The nearest major airport ...
Badlands in the northern portion of Pine Ridge Indian Reservation Badlands in 1939 (45 miles southeast of Rapid City) As part of the World War II effort, the U.S. Army Air Force (USAAF) took possession of 341,726 acres (533.9 sq mi; 1,382.9 km 2 ) of land on the Pine Ridge Indian Reservation , home of the Oglala Sioux people, for a gunnery range.
The memorial master plan includes the mountain carving monument, a Native American Museum of North America, and a Native American Cultural Center. The monument is being carved out of Thunderhead Mountain, on land considered sacred by some Oglala Lakota, between Custer and Hill City, roughly 17 miles (27 km) from Mount Rushmore. [4]
The uplift responsible for the Black Hills continued to elevate their topography. [2] As the Cenozoic continued, the sea shrank away from the state. In its place, grasslands formed and were roamed by herds of grazing mammals. [2] Archaeotherium skull from the White River Badlands on display at the Badlands Dinosaur Museum in North Dakota
The Black Hills were uplifted in the early Cenozoic, followed by long-running periods of erosion, sediment deposition and volcanic ash fall, forming the Badlands and storing marine and mammal fossils. Much of the state's landscape was reworked during several phases of glaciation in the Pleistocene. [1]
The Mammoth Site is a museum and paleontological site near Hot Springs, South Dakota, in the Black Hills. It is an active paleontological excavation site at which research and excavations are continuing. The facility encloses a prehistoric sinkhole that formed and was slowly filled with sediments during the Pleistocene era.