Effective immediately, the Wyoming State Geological Survey will remain open for business,
but is asking the public to use phone and email communications as much as possible.
Please contact the WSGS at 307-766-2286 or wsgs-info@wyo.gov
Thank you for your understanding and cooperation.

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Welcome to the Wyoming State Geological Survey

Interpreting the past, providing for the future

PRB Cretaceous Strata

A report highlighting Upper Cretaceous strata in the Powder River Basin has been made available.

Groundwater Salinity

A report focused on Groundwater Salinity in Wyoming has been published.

Geology of Yellowstone

An interactive map featuring the geology of Yellowstone has been provided by the WSGS.

Interactive Maps

Link to interactive Geology of Yellowstone map Link to interactive Groundwater Atlas Link to interactive Oil and Gas map Link to Interactive Geologic Map index Link to Interactive Mines & Minerals Map Link to Interactive Hazards Map

Geospatial Data
Sales and Publications

Wyoming's gemstones
Visit Wyoming's geology
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