University of Illinois Urbana-Champaign

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Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Hydrogeology of the Silurian dolomite aquifer in parts of Northwestern Illinois
Hydrogeology of the Silurian dolomite aquifer in parts of Northwestern Illinois
Larson, Timothy H.; Graese, Anne M.; Orozco, Phillip G.