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Welcome to the Wyoming State Geological Survey

Interpreting the past, providing for the future

Groundwater Salinity

A report regarding groundwater salinity in the deep aquifers of the Wind River and Bighorn basins of northern Wyoming.

Wyoming Geology on the way to Yellowstone

Visiting Yellowstone National Park? Here are some stops worth making along the way.

New PRB Groundwater Report

This study examines groundwater level recovery in the lower Tertiary aquifer system of the PRB.

2022 Summary Reports

These reports provide an overview of Wyoming’s recent oil, natural gas, and critical minerals production.

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

On the way to Yellowstone Map
Visit Wyoming's geology
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