Wyoming geologic map data

A GIS database of geologic units and structural features in Wyoming, 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:

wygeol.kml (Uncompressed, 28.3M)

wygeol.kmz (Compressed, 9.3M)

List geologic units by state or county

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/wy (WMS, version 1.3.0)

https://mrdata.usgs.gov/services/wy (WFS, version 1.1.0)

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


Content Download Format
Geological attributes WYcsv.zip CSV format
Geologic units WYgeol_dd.zip Shapefile, polygon
Faults WYfaults_dd.zip Shapefile, arcs
Dikes WYdikes_dd.zip Shapefile, arcs
Colors for lithology lith6_2.style ArcMap Style [Instructions]



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


Green, Gregory N. , and Drouillard, Patricia H. , 1994, The Digital Geologic Map of Wyoming in ARC/INFO Format: U.S. Geological Survey Open-File Report 94-0425.

Geologic units in Wyoming