01094nam a2200253Ia 4500001000700000003000500007005001700012008004100029010001500070043001200085050002400097082002000121086001900141100003000160245015900190260011600349300005900465490006200524490006100586504005200647650006200699650005400761700002500815192001BIBL20160527191855.0861125s1992    dcuab    b   f00010 eng    a 86607911   an-usc--00aGB1197.7b.M36 199200a551.49/09772190 aI 19.16:1405-C10aMandle, Richard J.2Local10aSimulation of regional ground-water flow in the Cambrian-Ordovician aquifer system in the northern Midwest, United Statescby R.J. Mandle and A.L. Kontis.0 aWashingtonbU.S. G.P.O.aDenver, CObFor sale by Book and Open-File Report Sales, U.S. Geological Surveyc1992.  avii, 97 p.bill. (some col.), maps (some col.)c28 cm. 0aRegional aquifer-system analysis--northern midwest2Local 0aU.S. Geological Survey professional paperv1405-C2Local  aIncludes bibliographical references (p. 95-97). 0aGroundwater flowzMiddle WestxSimulation methods.2Local 0aAquiferszMiddle WestxSimulation methods.2Local10aKontis, A. L.2Local