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Welcome to the Wyoming State Geological Survey

Interpreting the past, providing for the future

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.

Powder River Basin Groundwater Response

Recently published RI-74 examines groundwater level changes in sandstone aquifers associated with coal seems developed for CBNG extraction.

Groundwater Recharge Study

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

Interactive Oil & Gas Map

The 2016 Oil and Gas Map of Wyoming is available online in an interactive format or as a traditional map.

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State Fossil—Knightia

State Dinosaur—Triceratops

State Gemstone—Jade