Christopher J. Schenk Thomas M. Finn Benjamin G. Johnson Sarah E. Gelman Jenny H. Lagesse Cheryl A. Woodall Tracey J. Mercier Heidi M. Leathers-Miller Kira K. Timm Ronald M. Drake II Andrea D. Cicero Geoffrey S. Ellis Michael H. Gardner Phuong A. Le Scott S. Young Jane S. Hearon 2024 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean conventional and continuous resources of 294 million barrels of oil and 11 trillion cubic feet of gas in the Lewis Shale in the Southwestern Wyoming Province, Wyoming and Colorado.</p> application/pdf 10.3133/fs20243025 en U.S. Geological Survey Assessment of conventional and continuous oil and gas resources in the Lewis Shale in the Southwestern Wyoming Province, Wyoming and Colorado, 2023 reports