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100   $a20140929d1957      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGeology and paleontology of Canal Zone and adjoining parts of Panama $egeology and description of Tertiary mollusks (gastropods: Trochidae to Turritellidae) /$fby W. P. Woodring
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1957.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (iv, 145 pages) $cmaps
225 1 $aGeological Survey professional paper ;$v306-A
300   $aTitle from title screen (viewed September 26, 2014).
300   $aAdditional title page description: A contribution to the history of the Panama land bridge.
300   $aU.S. G.P.O. sales statement incorrect in publication.
320   $aIncludes bibliographical references and index.
517   $aGeology and paleontology of Canal Zone and adjoining parts of Panama 
606   $aMollusks, Fossil
606   $aPaleontology$yTertiary
606   $aPaleontology$zPanama$zCanal Zone
606   $aPaleontology$zPanama
615  0$aMollusks, Fossil.
615  0$aPaleontology
615  0$aPaleontology
615  0$aPaleontology
700   $aWoodring$b W. P$g(Wendell Phillips),$f1891-1983,$01386771
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910703554803321
996   $aGeology and paleontology of Canal Zone and adjoining parts of Panama$93446760
997   $aUNINA