S.D. Codified Laws § 1-18-2
The South Dakota State Historical Society within the Department of Education shall collect, preserve, exhibit, and publish material for the study of history, especially the history of this state and the upper great plains. To this end, the office shall explore the archaeology of the region; acquire documents and manuscripts; obtain narratives and records of pioneers; conduct a library of historical reference; maintain the South Dakota State History Museum; survey, document, and promote the preservation of historic properties and sites; examine the culture and history of American Indians and other ethnic groups; publish and otherwise diffuse information relating to the history of the region to schools and communities; and generally encourage and develop within the state the study of history.
SDCL 1-18-2