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Welcome to the Wyoming State Geological Survey

Interpreting the past, providing for the future

2016 Oil & Gas Map

The 2016 Oil and Gas Map of Wyoming is available for download or may be purchased as a printed wall map.

Fort Union & Lance Formation Stratigraphy Report

A new report (RI-73) focuses on the strata deposited during the Laramide orogeny in the eastern Greater Green River Basin.

Zeolite Resources in Wyoming

Report of Investigations No. 72 provides detailed insight into the nature of zeolite minerals and their applications, as well as potential development opportunities in the future.

NEW! Interactive Oil & Gas Map

The Wyoming Oil and Gas Map is now available online in an interactive format at the above link or on the Oil & Gas Maps & Publications page.

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State Fossil—Knightia

State Dinosaur—Triceratops

State Gemstone—Jade