LEADER 02080oam  2200589   450 
001 9910709720803321
005 20180712095042.0
035   $a(CKB)5470000002473042
035   $a(OCoLC)896811360
035   $a(OCoLC)995470000002473042
035   $a(EXLCZ)995470000002473042
100   $a20141123d1993      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aStratigraphy of the Cretaceous Hornbrook Formation, southern Oregon and northern California /$fby Tor H. Nilsen
210  1$aWashington :$cU.S. Department of the Interior, U.S. Geological Survey,$d1993.
215   $a1 online resource (iv, 89 pages) $cillustrations, maps (some color) +$e1 plate
225 1 $aU.S. Geological Survey professional paper ;$v1521
300   $a"A stratigraphic division of the Hornbrook Formation into five nonmarine and marine members."
320   $aIncludes bibliographical references (pages 77-82).
606   $aGeology, Stratigraphic$yCretaceous
606   $aFormations (Geology)$zCalifornia
606   $aFormations (Geology)$zOregon
606   $aCretaceous Geologic Period$2fast
606   $aGeology$2fast
606   $aGeology, Stratigraphic$2fast
607   $aHornbrook Formation (Calif. and Or.)
607   $aCalifornia$2fast
607   $aOregon$2fast
607   $aUnited States$zHornbrook Formation$2fast
615  0$aGeology, Stratigraphic
615  0$aFormations (Geology)
615  0$aFormations (Geology)
615  7$aCretaceous Geologic Period.
615  7$aGeology.
615  7$aGeology, Stratigraphic.
700   $aNilsen$b Tor Helge$01388950
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bSOS
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910709720803321
996   $aStratigraphy of the Cretaceous Hornbrook Formation, southern Oregon and northern California$93518913
997   $aUNINA