Tracey J. Mercier Cheryl A. Woodall Phuong A. Le Andrea D. Cicero Ronald M. Drake II Geoffrey S. Ellis Thomas M. Finn Michael H. Gardner Sarah E. Gelman Jane S. Hearon Benjamin G. Johnson Jenny H. Lagesse Heidi M. Leathers-Miller Kristen R. Marra Kira K. Timm Scott S. Young Christopher J. Schenk 2022 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated means of 783 million barrels of conventional oil and 17,606 billion (17.6 trillion) cubic feet of conventional gas in the Montana Thrust Belt Province.</p> application/pdf 10.3133/fs20223048 en U.S. Geological Survey Assessment of undiscovered conventional oil and gas resources of the Montana Thrust Belt Province, 2021 reports