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Welcome to the Wyoming State Geological Survey

Interpreting the past, providing for the future

Gas Hills

Two New Bedrock Maps

Geologic maps of the Albany and Gas Hills quadrangles have been released at a scale of 1:24,000.

Groundwater Salinity Report

A new report examines the salinity of groundwater in the Powder River Basin that may be suited to industrial uses.

Rare Mammal Fossil Discovered

A tapiromorph fossil discovered in the Green River Formation may be the first of its kind.

Silica Sand Deposits Report

A new report evaluates silica-rich sand deposits found in bedrock, dune, and alluvial fan exposures.

Interactive Maps

Link to interactive Groundwater Atlas Link to interactive Oil and Gas map Link to interactive Geochronology map Link to Interactive Geologic Map index

Geospatial Data
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