South Dakota State Historical Society South Dakota State Historical Society The South Dakota State Historical Society is South Dakota's official state historical society and is located in Pierre, South Dakota at 900 Governors Drive. It is a part of the Department of Education The South Dakota State Historical Society was founded in 1862 as the Old Settlers Association of Dakota Territory. In 1901, the South Dakota Legislature established the Association as the official state historical society. In 1975, the State Archives were incorporated into the Society, which continues to operate them and also functions as a public library. In 1989 the Culture Heritage Center was
South Dakota Highway 123 South Dakota Highway 123 South Dakota Highway 123 (SD 123) is a state highway in the U.S. state of South Dakota that runs from U.S. Route 12 (US 12) near Marvin to SD 15 in Wilmot. It is maintained by the South Dakota Department of Transportation (SDDOT), and is not part of the National Highway System. SD 123 begins at an intersection with US 12 east of Marvin in Grant County and begins north through open plains. The highway enters Roberts County north of its southern terminus and continues north through rolling farmland. North of the county line, the route