LEADER 01945oam 2200517 450 001 9910711809103321 005 20190219082519.0 035 $a(CKB)5470000002487995 035 $a(OCoLC)971334256 035 $a(OCoLC)995470000002487995 035 $a(EXLCZ)995470000002487995 100 $a20170203d1992 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe Conterminous United States Mineral Assessment Program $ebackground information to accompany folio of geologic, geochemical, geophysical, and mineral resource maps of the Ajo and Lukeville 1?? by 2?? quadrangles, Arizona /$fby Floyd Gray [and twelve others] 210 1$a[Reston, Virginia] :$cU.S. Department of the Interior, Geological Survey,$d1992. 210 3$aWashington :$cUnited States Government Printing Office,$d1992. 215 $a1 online resource (iv, 27 pages) $cillustrations, maps 225 1 $aU.S. Geological Survey circular ;$v1082 320 $aIncludes bibliographical references (pages 21-27). 517 $aConterminous United States Mineral Assessment Program 606 $aGeology$zArizona$zPima County 606 $aMines and mineral resources$zArizona$zPima County 606 $aGeology$2fast 606 $aMines and mineral resources$2fast 615 0$aGeology 615 0$aMines and mineral resources 615 7$aGeology. 615 7$aMines and mineral resources. 700 $aGray$b Floyd$0221130 712 02$aConterminous United States Mineral Assessment Program. 712 02$aGeological Survey (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCA 801 2$bCOP 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910711809103321 996 $aThe Conterminous United States Mineral Assessment Program$93537838 997 $aUNINA