URL: <a href="http://www.pbs.org/lewisandclark/native/idx_bla.html">http://www.pbs.org/lewisandclark/native/idx_bla.html</a> South Dakota: A Guide to the Great Sioux Nation Author: South Dakota Department of Tourism Type: tribal Description: Description of the three major divisions of the Sioux Nation, a brief timeline of South Dakota Native American History (1900-present), landmarks and legends, artifacts and other information.