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035   $a(EXLCZ)995470000002462627
100   $a20140926d1967      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aCretaceous and lower Tertiary stratigraphy in west-central Puerto Rico /$fby Peter H. Mattson ; prepared in cooperation with the Commonwealth of Puerto Rico Economic Development Administration, Industrial Research Department
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1967.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (iii, 35 pages) $cillustrations
225 1 $aGeological Survey bulletin ;$v1254-B
225 1 $aContributions to stratigraphy
300   $aTitle from title screen (viewed September 15, 2014).
320   $aIncludes bibliographical references (pages 34-35).
606   $aGeology$zPuerto Rico
606   $aGeology, Stratigraphic$yCretaceous
606   $aGeology, Stratigraphic$yTertiary
606   $aCretaceous Geologic Period$2fast
606   $aGeology$2fast
606   $aGeology, Stratigraphic$2fast
606   $aTertiary Geologic Period$2fast
607   $aPuerto Rico$2fast
615  0$aGeology
615  0$aGeology, Stratigraphic
615  0$aGeology, Stratigraphic
615  7$aCretaceous Geologic Period.
615  7$aGeology.
615  7$aGeology, Stratigraphic.
615  7$aTertiary Geologic Period.
700   $aMattson$b Peter H.$01399280
712 02$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   $a9910707287703321
996   $aCretaceous and lower Tertiary stratigraphy in west-central Puerto Rico$93464202
997   $aUNINA