South Dakota State Capitol stained glass throughout the building with the $2.7 million project concluded in time for South Dakota's 125th Anniversary celebrations October 1. South Dakota State Capitol The South Dakota State Capitol is the state capitol building of the U.S. state of South Dakota. Housing the South Dakota State Legislature, it is located in the state capitol of Pierre at 500 East Capitol Avenue. The building houses the offices of most state officials, including the Governor of South Dakota. The building was constructed between 1905 and 1910. The designs for the building were executed by the Minneapolis architectural firm of Bell &
South Dakota Highway 87 of Hill City. South Dakota Highway 87 South Dakota Highway 87 (SD 87) is a state highway in the southwestern part of the U.S. state of South Dakota. It travels through the Black Hills region. The highway's southern terminus is at an intersection with U.S. Route 385 (US 385), about southeast of Pringle, within the southwestern part of Wind Cave National Park. Its northern terminus is at an intersection with US 16/US 385 about south-southwest of Hill City, within the east-central part of the Black Hills National Forest. The highway travels through Wind Cave National Park and Custer State Park.