The Kay, George F. (George Frederick) 1873-1943 creator Apfel, Earl Taylor 1892- Graham, Jack Bennett 1913- text bibliography iau Des Moines] State of Iowa [1943] 1943 monographic eng

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3 v. in 1. illus., maps (1 fold.) diagrs. 27 cm. 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. by George F. Kay and others. Arthur C. Trowbridge ... director and state geologist. H. Garland Hershey ... assistant state geologist. 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. n-us-ia Geology, Stratigraphic Pleistocene Geology Iowa Geology, Stratigraphic Pleistocene Bibliography Geology Iowa Bibliography QE696 .K324 557.77 gs 44000035 //r88 U.S. Geol. survey Library/ICU 880226 20260227111349.0 gs 44000035