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South Dakota geologic map data

A GIS database of geologic units and structural features in South Dakota, with lithology, age, data structure, and format written and arranged just like the other states.


Show in a web browser window:

Show in Google Earth or other KML viewer:

sdgeol.kml (Uncompressed, 40.1M)

sdgeol.kmz (Compressed, 13.8M)

List geologic units by state or county

Show in your GIS using OGC web services: (WMS, version 1.3.0) (WFS, version 1.1.0)

Use lithology_symbology.lyr ArcGIS layer file to symbolize lithology when using WFS


Content Download Format
Geological attributes CSV format
Geologic units Shapefile, polygon
Faults Shapefile, arcs
Colors for lithology ArcMap Style [Instructions]



Outline - Questions & Answers - Plain text - XML
Legend indicating the meaning of colors on the interactive map



Martin, J. E., Sawyer, J. F., Fahrenbach, M. D., Tomhave, D. W., and Schulz, L. D., 2004, Geologic Map of South Dakota: South Dakota Geological Survey

Related topics

Geologic units in South Dakota