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By "Leighton, Morris M. (Morris Morgan), 1887-1971"
Pleistocene studies: 1. A notable type Pleistocene section: The Farm Creek exposure near Peoria, Illinois, by Morris M. Leighton. 2. Pre-Illinoian till in southern Illinois, by Paul MacClintock.
By: Leighton, Morris M. - MacClintock, Paul,
Publication info: [Springfield,Schnepp & Barnes, Printers]1926.
Contributed by: University of Illinois Urbana Champaign