01809oam 2200493 450 991070628400332120180201074401.0(CKB)5470000002455594(OCoLC)1005924046(EXLCZ)99547000000245559420171012d2017 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierAssessment of undiscovered continuous oil and gas resources in the Heath Formation, central Montana and western North Dakota, 2016[Reston, Virginia] :U.S. Department of the Interior, U.S. Geological Survey,2017.1 online resource (2 unnumbered pages) color mapFact sheet ;2017-3032At head of title: National and Global Petroleum Assessment."June 2017."Includes bibliographical references (page 2).Petroleum reservesHeath Formation (Mont. and N.D.)Natural gasHeath Formation (Mont. and N.D.)Natural gasfastPetroleum reservesfastHeath Formation (Mont. and N.D.)United StatesHeath FormationfastPetroleum reservesNatural gasNatural gas.Petroleum reserves.Geological Survey (U.S.),National and Global Petroleum Resource Assessment Project (U.S.)GPOGPOMERUCOCLCFGPOBOOK9910706284003321Assessment of undiscovered continuous oil and gas resources in the Heath Formation, central Montana and western North Dakota, 20163274821UNINA