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100   $a20050302d2005      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aPorphyry copper deposits of the World$b[electronic resource] $edatabase, maps, grade and tonnage models /$fby Donald A. Singer, Vladimir I. Berger, and Barry C. Moring
210  1$aMenlo Park, Calif. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2005.
215   $a9 unnumbered pages $cdigital, PDF file
225 1 $aU.S. Geological Survey open-file report ;$v2005-1060
300   $aTitle from title screen (viewed Feb. 6, 2008).
320   $aIncludes bibliographical references (page [8]).
517   $aPorphyry copper deposits of the World 
606   $aCopper ores$vDatabases
606   $aPorphyry$vDatabases
615  0$aCopper ores
615  0$aPorphyry
700   $aSinger$b D. A$01387101
701   $aBerger$b V. I$g(Vladimir Iosifovich)$01387102
701   $aMoring$b Barry C$01387103
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bOCLCQ
801  2$bORE
801  2$bGPO
906   $aBOOK
912   $a9910696482503321
996   $aPorphyry copper deposits of the World$93436595
997   $aUNINA