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Site index
Protecting South Dakota's
Tomorrow ...Today
South Dakota Resources
Mapping, GIS, and GPS
Badlands National Park
David Rumsey map collection
Jewel Cave National Monument
ESRI GIS Home Page
USD Earth Science Department
Garmin GPS Home Page
Missouri River Institute
Geographic Names Information System
South Dakota Water Resources Research Institute
GPS Base Station Data - Jewel Cave
Wind Cave National Park
GPS Base Station Data - Pierre
GPS Base Station Data - Sioux Falls
Rocks, Minerals, and Fossils
Historical Air Photos
(SD Film Catalog)
Athena Mineralogy Database
Illinois Geospatial Data Clearinghouse
Geology Time Machine
Iowa Geographic Image Map Server
Rockhounds Information Page
Map Collections from Library of Congress
NRCS Data Gateway
Geological Surveys
Shaded Relief Maps
State Geological Surveys
South Dakota GenWeb
United States Geological Survey
Trimble GPS Home Page
USGS EROS Data Center
University of Texas map collection
USGS National Geologic Lexicon Database
Educational
USGS National Map
Environmental Education for Kids
USGS National Mapping Information
USGS K-12 Learning Web
Wisconsin Earth Science Teachers Association
Black Hills Hydrology Study
Reports and Map Products