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Welcome to the Wyoming State Geological Survey

Interpreting the past, providing for the future

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.

Groundwater Recharge Study

A recharge model used to estimate groundwater baseflow for the state of Wyoming is described in Open File Report 2016-8.

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ABCs tour of Wyoming's geologic wonders

Visit Wyoming's geology

State Fossil—Knightia

State Dinosaur—Triceratops

State Gemstone—Jade