University of Illinois Urbana-Champaign

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Showing 7081–7110 of 7,861 items
Thumbnail for Annotated bibliography of observations on Illinois water resources 1673-1850
Annotated bibliography of observations on Illinois water resources 1673-1850
Schlunz, Thomas P.; Sutton, Robert M.; White, George W.

Thumbnail for Lower Sangamon River area assessment
Lower Sangamon River area assessment
Submitter: Steven Mccauley

Thumbnail for Year-book for 1909
Year-book for 1909
Illinois State Geological Survey