University of Illinois Urbana-Champaign

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Showing 4171–4200 of 4,438 items
Thumbnail for Lower Des Plaines River area assessment
Lower Des Plaines River area assessment
Submitter: Steven Mccauley

Thumbnail for The mineral content of Illinois waters
The mineral content of Illinois waters
Bartow, Edward; Udden, Johan August; Parr, Samuel Wilson; Palmer, George Thomas

Thumbnail for Rebirth of Rural America: Rural Migration in the Midwest
Rebirth of Rural America: Rural Migration in the Midwest
Sofranko, Andrew J.; Williams, James D.; Fliegel, Frederick C.; Stuart, Nina G.