01599nam a22003251  4500001001300000003000400013005001700017008004100034010002200075040003900097043001200136050001700148082001100165100005200176245017200228260004000400300005500440490004400495500012400539500007800663505025900741650004101000650001901041650005501060650003301115700003101148700003301179830004401212999001701256gs 44000035 DLC20260227111349.0880226s1943    iauab    b   s00010 eng c  ags 44000035 //r88  aU.S. Geol. survey Library/ICUcICU  an-us-ia0 aQE696b.K3240 a557.7710aKay, George F.q(George Frederick),d1873-1943.14aThe Pleistocene geology of Iowa,cby George F. Kay and others. Arthur C. Trowbridge ... director and state geologist. H. Garland Hershey ... assistant state geologist.0 a[Des Moines]bState of Iowac[1943]  a3 v. in 1.billus., maps (1 fold.) diagrs.c27 cm.1 aIowa. Geological survey. Special report  aParts 1 and 2 were first published in Reports of the Iowa Geological survey, vols. 34 and 38, respectively. cf. Introd.  aPt. 3 prepared with the assistance of E.T. Apfel, P.T. Miller and others.0 apt. 1. The pre-Illinoian Pleistocene geology of Iowa, by G.F. Kay and E.T. Apfel.--pt. 2. The Illinoian and post-Illinoian Pleistocene geology of Iowa, by G.F. Kay and J.B. Graham.--pt. 3. The bibliography of the Pleistocene geology of Iowa, by G.F. Kay. 0aGeology, StratigraphicyPleistocene. 0aGeologyzIowa. 0aGeology, StratigraphicyPleistocenexBibliography. 0aGeologyzIowaxBibliography.10aApfel, Earl Taylor,d1892-10aGraham, Jack Bennett,d1913- 0aSpecial report (Iowa Geological Survey)  c27951d27951