LEADER 01850oam 2200541 450 001 9910707628603321 005 20161013100328.0 035 $a(CKB)5470000002466255 035 $a(OCoLC)885121703 035 $a(EXLCZ)995470000002466255 100 $a20140802d1960 ua 0 101 0 $aeng 135 $aurn|||||||||| 181 $ccri$2rdacontent 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aGeology of the Dubuque South quadrangle, Iowa-Illinois /$fby C. Ervin Brown and Jesse W. Whitlow 210 1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1960. 210 2$aWashington, D.C. :$cGovernment Printing Office. 215 $a1 online resource (v, 93 pages, 7 pages of plates) $cillustrations, maps, photographs 225 1 $aGeological Survey bulletin ;$v1123-A 300 $aTitle from title screen (viewed July 24, 2014). 300 $a"Prepared in cooperation with the Iowa Geological Survey." 320 $aIncludes bibliographical references (pages 64-67) and index. 517 3 $aGeology of parts of the Upper Mississippi Valley zinc-lead district 606 $aGeology$zIowa 606 $aGeology$zIllinois 606 $aGeology$2fast 607 $aIllinois$2fast 607 $aIowa$2fast 615 0$aGeology 615 0$aGeology 615 7$aGeology. 700 $aBrown$b C. Ervin$g(Clarence Ervin),$f1925-$01393907 702 $aWhitlow$b Jesse W. 712 02$aGeological Survey (U.S.), 712 02$aIowa Geological Survey, 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCO 801 2$bGPO 906 $aBOOK 912 $a9910707628603321 996 $aGeology of the Dubuque South quadrangle, Iowa-Illinois$93474014 997 $aUNINA