University of Illinois Urbana-Champaign

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Showing 421–450 of 726 items
Thumbnail for Annual register. 1892-95
Annual register. 1892-95
University of Illinois at Urbana-Champaign

Thumbnail for Year-book for 1908
Year-book for 1908
Illinois State Geological Survey

Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman