Sitting Bull Crystal Caverns Sitting Bull Crystal Caverns Sitting Bull Crystal Caverns is a limestone cave complex nine miles south of Rapid City, South Dakota on the way to Mount Rushmore and by the Wind Cave National Park. For eight decades, the cave was open for the public to tour daily from Memorial Day weekend to Labor Day weekend. The cave was discovered by the Duhamel family, Alex and Mamie and their sons, Bud and Pete, in 1929, at their property in Rockerville Gulch. The gulch is a red rock canyon east of Rockerville. They organised tours and a Sioux Indian Pageant to promote
Sitting Bull the world. Two weeks later, after waiting in vain for other members of his tribe to follow him from Canada, the Army transferred Sitting Bull and his band to Fort Yates, the military post located adjacent to the Standing Rock Agency. This reservation straddles the present-day boundary between North and South Dakota. Sitting Bull and his band of 186 people were kept separate from the other Hunkpapa gathered at the agency. Army officials were concerned that he would stir up trouble among the recently surrendered northern bands. On August 26, 1881, he was visited by census taker William T. Selwyn,