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035   $a(OCoLC)995470000002473315
035   $a(EXLCZ)995470000002473315
100   $a20141123d1975      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGrade and tonnage relationships among copper deposits /$fby D.A. Singer, Dennis P. Cox, and Lawrence J. Drew ; Geochemical exploration techniques applicable in the search for copper deposits / by Maurice A. Chaffee
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1975.
215   $a1 online resource (52 unnumbered pages) $cillustrations
225 1 $aGeological Survey professional paper ;$v907-A-B
225 1 $aGeology and resources of copper deposits
320   $aIncludes bibliographical references.
606   $aCopper ores$zUnited States
606   $aCopper$xAnalysis
606   $aGeochemical prospecting
606   $aCopper$xAnalysis$2fast
606   $aCopper ores$2fast
606   $aGeochemical prospecting$2fast
607   $aUnited States$2fast
615  0$aCopper ores
615  0$aCopper$xAnalysis.
615  0$aGeochemical prospecting.
615  7$aCopper$xAnalysis.
615  7$aCopper ores.
615  7$aGeochemical prospecting.
700   $aSinger$b D. A.$01387101
702   $aCox$b Dennis P.
702   $aDrew$b Lawrence J.
702   $aChaffee$b Maurice A.
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910709893703321
996   $aGrade and tonnage relationships among copper deposits$93505049
997   $aUNINA