Sitting Bull did not agree to the treaty. He told the Jesuit missionary, Pierre Jean De Smet, who sought him out on behalf of the government: "I wish all to know that I do not propose to sell any part of my country." He continued his hit-and-run attacks on forts in the upper Missouri area throughout the late 1860s and early 1870s. The events of 1866–1868 mark a historically debated period of Sitting Bull's life. According to historian Stanley Vestal, who conducted interviews with surviving Hunkpapa in 1930, Sitting Bull was made "Supreme Chief of the whole Sioux Nation" at this time.
Sitting Bull Crystal Caverns 730 acres of land were put up for sale. 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