University of Illinois Urbana-Champaign

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Showing 781–810 of 1,625 items
Thumbnail for Geology of the Waltersburg Quadrangle, Pope County, Illinois
Geology of the Waltersburg Quadrangle, Pope County, Illinois
Weibel, C. Pius; Nelson, W. John; Oliver, Lynne B.; Esling, Steven P.

Thumbnail for Annual register. 1912-1913
Annual register. 1912-1913
University of Illinois at Urbana-Champaign