LEADER 02166oam  2200625   450 
001 9910709774803321
005 20180621075002.0
035   $a(CKB)5470000002472496
035   $a(OCoLC)1032295235$z(OCoLC)896811297
035   $a(OCoLC)995470000002472496
035   $a(EXLCZ)995470000002472496
100   $a20180420d1992      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aSummary of ground-water hydrology of the Cambrian-Ordovician aquifer system in the northern Midwest, United States /$fby H.L. Young
210  1$aWashington :$cU.S. Department of the Interior, U.S. Geological Survey,$d1992.
215   $a1 online resource (vi, A55 pages) $cillustrations (some color), color maps
225 1 $aU.S. Geological Survey professional paper ;$v1405-A
225 1 $aRegional aquifer-system analysis--northern Midwest
320   $aIncludes bibliographical references (pages A52-A55).
606   $aGroundwater$zMiddle West
606   $aAquifers$zMiddle West
606   $aGeology, Stratigraphic$yCambrian
606   $aGeology, Stratigraphic$yOrdovician
606   $aAquifers$2fast
606   $aCambrian Geologic Period$2fast
606   $aGeology, Stratigraphic$2fast
606   $aGroundwater$2fast
606   $aOrdovician Geologic Period$2fast
607   $aMiddle West$2fast
615  0$aGroundwater
615  0$aAquifers
615  0$aGeology, Stratigraphic
615  0$aGeology, Stratigraphic
615  7$aAquifers.
615  7$aCambrian Geologic Period.
615  7$aGeology, Stratigraphic.
615  7$aGroundwater.
615  7$aOrdovician Geologic Period.
700   $aYoung$b H. L.$01394857
712 02$aGeological Survey (U.S.),
801  0$bOCLCE
801  1$bOCLCE
801  2$bCOP
801  2$bOCLCF
801  2$bOCLCQ
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910709774803321
996   $aSummary of ground-water hydrology of the Cambrian-Ordovician aquifer system in the northern Midwest, United States$93528486
997   $aUNINA