LEADER 02152oam 2200577 450 001 9910707203603321 005 20160701153753.0 035 $a(CKB)5470000002463477 035 $a(OCoLC)891382752 035 $a(EXLCZ)995470000002463477 100 $a20140926d1969 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aChanges in stratigraphic nomenclature in the Cretaceous system, east-central Puerto Rico /$fReginald P. Briggs ; prepared in cooperation with the Commonwealth of Puerto Rico Economic Development Administration, Industrial Research Department 210 1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1969. 210 2$aWashington :$cUnited States Government Printing Office. 215 $a1 online resource (31 pages) $cillustrations 225 1 $aGeological Survey bulletin ;$v1274-O 225 1 $aContributions to stratigraphy 300 $aTitle from title screen (viewed September 15, 2014). 320 $aIncludes bibliographical references (pages 29-31). 517 1 $aStratigraphic nomenclature, Puerto Rico 606 $aGeology$vNomenclature 606 $aGeology$zPuerto Rico 606 $aGeology, Stratigraphic$yCretaceous 606 $aCretaceous Geologic Period$2fast 606 $aGeology$2fast 606 $aGeology, Stratigraphic$2fast 607 $aPuerto Rico$2fast 608 $aTerminology.$2fast 615 0$aGeology 615 0$aGeology 615 0$aGeology, Stratigraphic 615 7$aCretaceous Geologic Period. 615 7$aGeology. 615 7$aGeology, Stratigraphic. 700 $aBriggs$b Reginald P.$f1929-2009,$01387151 712 02$aGeological Survey (U.S.), 712 02$aPuerto Rico.$bDepartment of Industrial Research, 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910707203603321 996 $aChanges in stratigraphic nomenclature in the Cretaceous system, east-central Puerto Rico$93536235 997 $aUNINA