Updated Groundwater Monitoring Report

The Bureau of Land Management (BLM) Buffalo Field Office and the Wyoming State Geological Survey have released an updated regional groundwater monitoring report. The report presents data from BLM’s deep monitoring well network in the Wyoming Powder River Basin.
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Stromatolite Field Guide Available

A new WSGS Web page highlights stromatolites in the Medicine Bow Mountains. A self-guided walking tour guide, an interactive Google Earth map, photos and a video of stromatolite outcrops are available online.

Explore the Stromatolites page.

Wyoming Geologic Map

Geologic Map of Wyoming

The WSGS has released the Geologic Map of Wyoming, an important visual tool displaying a variety of geologic features, from different kinds of rocks and faults to the state’s river basins and mountain ranges. The 1:500,000-scale wall map includes a separate legend sheet. The geologic map is a new and improved presentation of the original hand-scribed map created in 1985 by authors David Love and Ann Christiansen of the U.S. Geological Survey. Read more...

Download the map... (click here for pdfs).

Purchase the printed map... (click here to order).