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035   $a(OCoLC)76892460
035   $a(EXLCZ)994330000001271872
100   $a20061206d2006      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 04$aThe Ajo Mining District, Pima County, Arizona$b[electronic resource] $eevidence for Middle Cenozoic detachment faulting, plutonism, volcanism, and hydrothermal alteration /$fby Dennis P. Cox ... [and others]
210  1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2006.
215   $av, 46 pages $cdigital, PDF file
225 1 $aProfessional paper ;$v1733
300   $aTitle from HTML title screen (viewed on Apr. 11, 2007).
300   $aAt head of title on HTML title screen: Western Mineral Resources.
320   $aIncludes bibliographical references.
517   $aAjo Mining District, Pima County, Arizona 
606   $aGeology$zArizona$zAjo Region
606   $aGeology, Stratigraphic$yCenozoic
606   $aGeology, Structural$zArizona$zAjo Region
615  0$aGeology
615  0$aGeology, Stratigraphic
615  0$aGeology, Structural
701   $aCox$b Dennis P$01402165
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bGPO
906   $aBOOK
912   $a9910698214603321
996   $aThe Ajo Mining District, Pima County, Arizona$93497385
997   $aUNINA