University of Illinois Urbana-Champaign

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Showing 8911–8940 of 15,825 items
Thumbnail for Water Quality in Cedar Lake and the Relevance of Its Watershed
Water Quality in Cedar Lake and the Relevance of Its Watershed
Roseboom, Donald P.; Evans, Ralph L.; Hill, Thomas E.

Thumbnail for Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Frankie, Wayne T.; Jacobson, Russell J.; Nelson, Robert S.

Thumbnail for Assessment of a Regional Aquifer in Central Illinois
Assessment of a Regional Aquifer in Central Illinois
Burris, Charles B.; Morse, Walter J.; Naymik, Thomas G.