By 1889 519 of the tribe were located in Indian Territory, what is now central Oklahoma.United States. Office of Indian Affairs. (1899). Annual Report of the Commissioner of Indian Affairs to the Secretary of the Interior for the Fiscal Year Ended ... Washington, DC: U.S. Government Printing Office. pp. 199–201.Google Books. Retrieved 15 March 2020. On June 10, 1890, they ceded these Indian Territory lands to the federal government.United States Senate. (1890). Congressional Serial Set. "Executive Documents of the Senate of the U.S. First Session of the Fiftieth Congress". Washington, DC: U.S. Government Printing Office. pp. 16–21. Google Books. Retrieved 15 March 2020.
