Laramie Peak

Tallon Spring and Laramie Peak maps now available


The WSGS has launched Wyoming Legacy Maps, a program for the release of newly published maps based on the agency's past geologic mapping efforts.

Two maps recently completed under this program are

Tallon Spring (1:24,000) and

Laramie Peak Surficial (1:100,000)

Transmition Line

2015 Energy Reports


Wyoming is one of the nation’s top energy producing states. External forces, however, such as energy markets, supply and demand, and regulations can affect the state’s production of oil and gas, coal, and uranium.

Read more in the WSGS annual energy report series…

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).