LEADER 01896oam 2200529 450 001 9910707463403321 005 20160817160656.0 035 $a(CKB)5470000002464893 035 $a(OCoLC)889723483$z(OCoLC)937435827 035 $a(EXLCZ)995470000002464893 100 $a20140901d1995 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 13$aAn extensive pre-Cretaceous weathering profile in east-central and southwestern Minnesota /$fby Dale R. Setterholm and G.B. Morey 210 1$a[Reston, Va.] :$cU.S. Department of the Interior, U.S. Geological Survey,$d1995. 210 2$a[Washington, D.C.] :$cUnited States Government Printing Office. 215 $a1 online resource (iv, 29 pages) $cillustrations, maps 225 1 $aU.S. Geological Survey bulletin ;$v1989-H 225 1 $aStrategic and critical minerals in the midcontinent region, United States ;$vch. H 300 $aTitle from title screen (viewed Aug. 28, 2014). 320 $aIncludes bibliographical references (page 29). 517 3 $aPre-cretaceous weathering profile, east-central and southwestern Minnesota 606 $aSaprolites$zMinnesota 606 $aWeathering$zMinnesota 606 $aSaprolites$2fast 606 $aWeathering$2fast 607 $aMinnesota$2fast 615 0$aSaprolites 615 0$aWeathering 615 7$aSaprolites. 615 7$aWeathering. 700 $aSetterholm$b Dale R.$01408892 702 $aMorey$b G. B. 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCE 801 2$bGPO 906 $aBOOK 912 $a9910707463403321 996 $aAn extensive pre-Cretaceous weathering profile in east-central and southwestern Minnesota$93493991 997 $aUNINA