Geology of the Chicago Region
STATE OF ILLINOIS WILLIAM G. STRATTON, GoHntor DEPARTMENT OP REGISTRATION AND EDUCA'l'ION VERA M. BINKS, Dj,«UJr DIVISION OP THE STATE GEOLOG ICAL SURVEY M. M. LEIGHTON, Cbl;J URBANA B U L L E T I N N 0 . 65, P A 1t T I I GEOLOGY OF THE CHICAGO REGION PART II-IBEPLEISTOCENE BY J llARLBN BRETZ Pll.INTED BYUTHOlllTY A OF THE STATE O"l' lLLlNOlS URBANA, ILLINOIS 1955 STATE OF ILLINOIS WILLIAM G. STRATTON, Governor DEPARTMENT OF REGISTRATION AND EDUCATION VERA M. BINKS, Director DIVISION OF THE STATE GEOLOG IC AL SURVEY M. M. LEIGHTON, Chief URBANA B u L L E T I N N 0 . 65, p A RT I I GEOLOGY OF THE CHICAGO REGION PART II - THE PLEISTOCEN E BY J HARLEN BRETZ PRINTED BY AUTHORITY OF THE STATE OF ILLINOIS URBANA, ILLINOIS 1955 ORGANIZATION ST ATE OF ILLINOIS HON. WILLIAM G. STRATTON, Governor DEPARTMENT OF REGISTRATION AND EDUCATION HON. VERA M. BINKS, Director BOARD OF NATURAL RESOURC ES AND CONS ERVAT IO N HON. VERA M. BINKS, Chairman W. H. NEWHOUSE, PH.D., Geology ROGER ADAMS, PH.D., D.Sc., Chemistry R. H. ANDERSON, B.S., Engineering 0 A. E. EMERSO�. PH.D., Biology LEWIS H. TIFFANY, PH.D., Po.D., Forestry W. L. EVERITT, E.E., PH.D., Representing the President of the University of Illinois DELYTE W. MORRIS, PH.D. President of Southern Illinois University GEOLOGICAL SURVEY DIVIS IO N M. M. LEIGHTON, PH.D., Chief STATE GEOLOGICAL SURVEY DIVISION Natural Resources Building, Urbana M. M. LEIGHTON, PH.D., Chief Esm TOWNLEY, M.S., Geologist and Assistant to the Chief VELDA A.
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