South Dakota Profiles - State map includes counties, congressional districts and census bureau information.Color Landform Atlas: South Dakota - Features shaded relief and county maps, 1895 map, black and white and satellite images.
World Sites Atlas - Features map showing interstate and U.S. highways, plus major cities and towns.
SDGenWeb - Maps - On-line maps of South Dakota and Dakota Territory are available for download.
South Dakota Maps - From the Perry-CastaƱeda Library Map Collection. Included with state maps are area and park maps: Badlands National Park, Jewel Cave National Monument, Mount Rushmore and Wind Cave National Park.