01599nam a22003251 4500 gs 44000035 DLC 20260227111349.0 880226s1943 iauab b s00010 eng c gs 44000035 //r88 U.S. Geol. survey Library/ICU ICU n-us-ia QE696 .K324 557.77 Kay, George F. (George Frederick), 1873-1943. The Pleistocene geology of Iowa, by George F. Kay and others. Arthur C. Trowbridge ... director and state geologist. H. Garland Hershey ... assistant state geologist. [Des Moines] State of Iowa [1943] 3 v. in 1. illus., maps (1 fold.) diagrs. 27 cm. Iowa. Geological survey. Special report Parts 1 and 2 were first published in Reports of the Iowa Geological survey, vols. 34 and 38, respectively. cf. Introd. Pt. 3 prepared with the assistance of E.T. Apfel, P.T. Miller and others. pt. 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. Geology, Stratigraphic Pleistocene. Geology Iowa. Geology, Stratigraphic Pleistocene Bibliography. Geology Iowa Bibliography. Apfel, Earl Taylor, 1892- Graham, Jack Bennett, 1913- Special report (Iowa Geological Survey) 27951 27951