02426nam 2200529Ia 450 991069713060332120091015103228.0(CKB)5470000002385608(OCoLC)456552958(OCoLC)492405219(OCoLC)639951697(EXLCZ)99547000000238560820091015d2009 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierTotal petroleum systems and geologic assessment of oil and gas resources in the Powder River basin province, Wyoming and Montana[electronic resource] /compiled by L.O. AnnaRev. Apr. 2010.Reston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2009.1 online resource illustrations (some color), maps (some color)USGS digital data series ;DDS-69-UTitle from title screen (USGS, viewed Oct. 14, 2009).Includes bibliographical references.Ch. 1. Geologic assessment of undiscovered oil and gas in the Powder River basin province, Wyoming and Montana / by Lawrence O. Anna -- Ch. 2. Tabular data and graphical images in support of the U.S. Geological Survey National Oil and Gas Assessment-Powder River basin province (5033) / by T.R. Klett and P.A. Le.Data series (Geological Survey (U.S.)) ;069-U.National Assessment of Oil and Gas ProjectPetroleum reservesPowder River Basin (Wyo. and Mont.)Natural gas reservesPowder River Basin (Wyo. and Mont.)PetroleumGeologyPowder River Basin (Wyo. and Mont.)Natural gasGeologyPowder River Basin (Wyo. and Mont.)Petroleum reservesNatural gas reservesPetroleumGeologyNatural gasGeologyAnna Lawrence O1386399Klett T. R(Timothy R.)1382195Le P. A1403982Geological Survey (U.S.)National Assessment of Oil and Gas Project (U.S.)GPOGPOBOOK9910697130603321Total petroleum systems and geologic assessment of oil and gas resources in the Powder River basin province, Wyoming and Montana3477696UNINA