LEADER 02542oam 2200649 450 001 9910706961303321 005 20180412075403.0 035 $a(CKB)5470000002459864 035 $a(OCoLC)896810620 035 $a(OCoLC)995470000002459864 035 $a(EXLCZ)995470000002459864 100 $a20141123d1978 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPrincipal unconformities in Triassic and Jurassic rocks, western interior United States $ea preliminary survey /$fby G.N. Pipiringos and R.B. O'Sullivan 210 1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1978. 215 $a1 online resource (iii, A29 pages) $cillustrations, map 225 1 $aGeological Survey professional paper ;$v1035-A 300 $aTitle from title screen (viewed October 6, 2014). 300 $a"Unconformities, correlation, and nomenclature of some Triassic and Jurassic rocks, western interior United States." 300 $a"Description of nine widespread unconformities in Triassic and Jurassic rocks." 320 $aIncludes bibliographical references (pages A26-A29). 517 $aPrincipal unconformities in Triassic and Jurassic rocks, western interior United States 606 $aGeology$zWest (U.S.) 606 $aGeology, Stratigraphic$yJurassic 606 $aGeology, Stratigraphic$yTriassic 606 $aStratigraphic correlation$zWest (U.S.) 606 $aGeology$2fast 606 $aGeology, Stratigraphic$2fast 606 $aJurassic Geologic Period$2fast 606 $aStratigraphic correlation$2fast 606 $aTriassic Geologic Period$2fast 607 $aUnited States, West$2fast 615 0$aGeology 615 0$aGeology, Stratigraphic 615 0$aGeology, Stratigraphic 615 0$aStratigraphic correlation 615 7$aGeology. 615 7$aGeology, Stratigraphic. 615 7$aJurassic Geologic Period. 615 7$aStratigraphic correlation. 615 7$aTriassic Geologic Period. 700 $aPipiringos$b G. N$g(George Nicholas),$f1918-$01399660 702 $aO'Sullivan$b Robert Brett$f1923- 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910706961303321 996 $aPrincipal unconformities in Triassic and Jurassic rocks, western interior United States$93505125 997 $aUNINA