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035   $a(OCoLC)232360248
035   $a(EXLCZ)995470000002387836
100   $a20080620d2008      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] $edatabase and grade and tonnage models, 2008 /$fby Donald A. Singer, Vladimir I. Berger, and Barry C. Moring
210  1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2008.
215   $a45 unnumbered pages $cdigital, PDF file
225 1 $aOpen-file report ;$v2008-1155
300   $aTitle from title screen (viewed on Aug. 18, 2008).
320   $aIncludes bibliographical references.
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$bGPO
906   $aBOOK
912   $a9910697310003321
996   $aPorphyry copper deposits of the World$93436595
997   $aUNINA