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100   $a20141123d1984      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aUpper Proterozoic and Cambrian rocks in the Caborca region, Sonora, Mexico $ephysical stratigraphy, biostratigraphy, paleocurrent studies, and regional relations /$fby John H. Stewart, Mark A.S. McMenamin, and Juan Manuel Morales-Ramirez
210  1$aWashington :$cDepartment of the Interior, U.S. Geological Survey,$d1984.
215   $a1 online resource (iii, 36 pages) $cillustrations, maps
225 1 $aU.S. Geological Survey professional paper ;$v1309
320   $aIncludes bibliographical references (pages 33-36).
517   $aUpper Proterozoic and Cambrian rocks in the Caborca region, Sonora, Mexico 
606   $aGeology, Stratigraphic$yPrecambrian
606   $aGeology, Stratigraphic$yCambrian
606   $aGeology$zMexico$zHeroica Caborca
606   $aCambrian Geologic Period$2fast
606   $aGeology$2fast
606   $aGeology, Stratigraphic$2fast
606   $aPrecambrian Geologic Period$2fast
607   $aMexico$zHeroica Caborca$2fast
615  0$aGeology, Stratigraphic
615  0$aGeology, Stratigraphic
615  0$aGeology
615  7$aCambrian Geologic Period.
615  7$aGeology.
615  7$aGeology, Stratigraphic.
615  7$aPrecambrian Geologic Period.
700   $aStewart$b J. H.$f1928-2013,$01387326
702   $aMcMenamin$b Mark A.
702   $aMorales-Rami?rez$b Juan Manuel
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bCUS
801  2$bGPO
906   $aBOOK
912   $a9910709628003321
996   $aUpper Proterozoic and Cambrian rocks in the Caborca region, Sonora, Mexico$93542950
997   $aUNINA