01564oam 2200445Ia 450 991069673910332120080715100106.0(CKB)5470000002381482(OCoLC)223396800(EXLCZ)99547000000238148220080414d2008 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierAssessment of undiscovered oil resources in the Devonian-Mississippian Bakken Formation, Williston Basin Province, Montana and North Dakota, 2008[electronic resource][Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2008]2 unnumbered pages digital, PDF fileFact sheet ;2008-3021Title from title screen (viewed on July 14, 2008)."April 2008."National Assessment of Oil and Gas Fact SheetOil fieldsMontanaOil fieldsNorth DakotaOil fieldsWilliston BasinOil fieldsBakken FormationOil fieldsOil fieldsOil fieldsOil fieldsGeological Survey (U.S.)GISGISGISGPOBOOK9910696739103321Assessment of undiscovered oil resources in the Devonian-Mississippian Bakken Formation, Williston Basin Province, Montana and North Dakota, 20083165006UNINA