LEADER 01463nam 2200385Ia 450 001 9910697574803321 005 20081113143412.0 035 $a(CKB)5470000002389202 035 $a(OCoLC)271477574 035 $a(EXLCZ)995470000002389202 100 $a20081113d2006 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aAssessment of undiscovered oil and gas resources of the Powder River Basin Province of Wyoming and Montana, 2006 update$b[electronic resource] /$f[Lawrence O. Anna ... and others] 210 1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[2006] 215 $a2 unnumbered pages $cdigital, PDF file 225 1 $aNational assessment of oil and gas fact sheet 225 1 $aFact sheet ;$v2006-3135 300 $aTitle from title screen (viewed on Nov. 13, 2008). 300 $a"December 2006." 606 $aPetroleum$zPowder River Basin (Wyo. and Mont.) 606 $aNatural gas$zPowder River Basin (Wyo. and Mont.) 615 0$aPetroleum 615 0$aNatural gas 700 $aAnna$b Lawrence O$01386399 712 02$aGeological Survey (U.S.) 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910697574803321 996 $aAssessment of undiscovered oil and gas resources of the Powder River Basin Province of Wyoming and Montana, 2006 update$93537601 997 $aUNINA