» Color Landform Atlas: South Dakota Features shaded relief and county maps, 1895 map, black and white and satellite images. http://fermi.jhuapl.edu/states/sd_0.html
» Mapathon for South Dakota Links to road maps, atlases, live traffic maps, weather maps, and specialized maps. http://www.mapathon.com/sd.shtml
» SDGenWeb - Maps On-line maps of South Dakota and Dakota Territory are available for download. http://www.rootsweb.com/~sdgenweb/maps/maps.html
» 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. http://www.lib.utexas.edu/maps/south_dakota.html
» South Dakota Profiles State map includes counties, congressional districts and census bureau information. http://www.census.gov/datamap/www/46.html