South Dakota Maps
- AERIAL photographs (USGS) & satelite images (SPIN-2) via TerraServer
- BIRDS: Breeding Atlas
- CANCER: Atlas of Cancer Mortality in the US, 1950-1994 county, state, & comparable data in customizable map form for specific cancers
- CENSUS2000 outline maps for census tracts, blocks, & local voting districts; explanation of Census maps & tips for printing
- ECOREGIONS clickable outline of 40+ ecological regions, each click providing soil, climate & land cover on each region
- National Atlas of the US provides layered map views of federally collected information, including agriculture, wildlife, census, crime, health, environment, hydrology, geology, transportation, weather, etc.
- PARKS: State parks & recreation areas
- RELIEF: Color Landform Atlas, Color or with County outlines or Black & White
- ROADS: Travel information, including maps showing current construction, winter road conditions
- SNOWMOBILE Trail Maps
- SD Geological Survey: Geology, Earthquakes, Permeable Surface Sediments in Eastern SD, Rural Water Systems, Ground Water Quality Monitoring Network, Testholes & Wells, Shaded SD Relief Map, and Status of County Geology Studies
- TIGER: Census Tiger/94 Maps for individual SD counties are available at Census Map Stats
- TOPOGRAPHICAL maps from USGS for the entire US (including SD) at TopoZone
- US Geological Survey: includes a downloadable South Dakota gazetteer, which provides county, coordinates, & map names for SD places, features & areas
- WEATHER/SATELLITE:
- WETLANDS of North and South Dakota by county and wetland management districts
