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035   $a(CKB)5470000002470121
035   $a(OCoLC)568523984$z(OCoLC)659374046$z(OCoLC)891401218
035   $a(OCoLC)995470000002470121
035   $a(EXLCZ)995470000002470121
100   $a20100324d1908      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aEconomic geology of the Georgetown quadrangle (together with the Empire district) Colorado /$fby Josiah E. Spurr and George H. Garrey: with General geology, by Sydney H. Ball
210  1$aWashington :$cDepartment of the Interior, United States Geological Survey,$d1908.
215   $a1 online resource (422 pages) $cillustrations, maps +$e4 plates
225 1 $aProfessional paper ;$v63
320   $aIncludes bibliographical references and index.
517   $aEconomic geology of the Georgetown quadrangle 
606   $aMines and mineral resources$zColorado
606   $aGeology, Economic$zColorado
606   $aGeology$2fast
606   $aMines and mineral resources$2fast
607   $aColorado$2fast
615  0$aMines and mineral resources
615  0$aGeology, Economic
615  7$aGeology.
615  7$aMines and mineral resources.
700   $aSpurr$b Josiah Edward$f1870-1950,$0837668
702   $aGarrey$b G. H$g(George H.),$f1886-
702   $aBall$b Sydney H$g(Sydney Hobart),
712 02$aGeological Survey (U.S.),
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCA
801  2$bOCLCQ
801  2$bOCLCO
801  2$bOCLCF
801  2$bCOP
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910708045803321
996   $aEconomic geology of the Georgetown quadrangle (together with the Empire district) Colorado$93540148
997   $aUNINA