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Welcome to the Wyoming State Geological Survey

Interpreting the past, providing for the future

Geochronology Map of Wyoming

An interactive map representing an ongoing compilation of geochronologic data from multiple sources has been made available from the WSGS.

Codell Sandstone Oil Production Trends

Recently published OFR 2017-2 investigates the characteristics of the highest-producing Codell Sandstone wells in Laramie County, Wyoming.

Interactive Oil & Gas Map

The first update to the online Oil & Gas Map of Wyoming has been completed with revisions to fields, production data, gas plants and oil refineries.

Wyoming Groundwater Atlas

Information about Wyoming’s groundwater can be found on an interactive online map. Data from WSEO, USGS and WWDC are presented in the map.

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ABCs tour of Wyoming's geologic wonders

Visit Wyoming's geology

State Fossil—Knightia

State Dinosaur—Triceratops

State Gemstone—Jade