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100   $a20141123d1998      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aHydrogeologic framework of the Michigan basin regional aquifer system /$fby D.B. Westjohn and T.L. Weaver
210  1$a[Reston, Va.?] :$cU.S. Department of the Interior, U.S. Geological Survey,$d1998.
215   $a1 online resource (vi, 47 pages) $cillustrations, maps
225 1 $aU.S. Geological Survey professional paper ;$v1418
225 1 $aRegional aquifer-system analysis--Michigan Basin aquifer system
320   $aIncludes bibliographical references (pages 44-47).
606   $aHydrogeology$zMichigan Basin (Mich. and Ont.)
606   $aHydrogeology$zMichigan
606   $aAquifers$zMichigan Basin (Mich. and Ont.)
606   $aAquifers$zMichigan
606   $aAquifers$2fast
606   $aHydrogeology$2fast
607   $aMichigan$2fast
607   $aNorth America$zMichigan Basin$2fast
615  0$aHydrogeology
615  0$aHydrogeology
615  0$aAquifers
615  0$aAquifers
615  7$aAquifers.
615  7$aHydrogeology.
700   $aWestjohn$b D. B$g(David B.),$01381479
702   $aWeaver$b T. L$g(Thomas Lynn),$f1954-
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910709721403321
996   $aHydrogeologic framework of the Michigan basin regional aquifer system$93459934
997   $aUNINA