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Welcome to the Wyoming State Geological Survey

Interpreting the past, providing for the future

Wyoming Earth Science Week, Oct. 10-16

This year’s theme “Visualizing Earth Systems” and the "Passport Earth" program have arrived.

Iron Report

The first comprehensive statewide iron report is now available. The investigation identifies Wyoming’s known iron resources and historic mining locations.

Lance and Fort Union Formations Study

New research helps define extent of coal-bearing strata and potential natural gas reservoir rock in the Great Divide Basin.

Wyoming Cultural Geology Guide

This new guide shows readers how geology has influenced Wyoming's cultural landscape.

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State Dinosaur—Triceratops

State Fossil—Knightia

State Gemstone—Jade