University of Illinois Urbana-Champaign

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Showing 31–60 of 931 items
Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Kane County water resources investigations : interim report on geologic investigations
Kane County water resources investigations : interim report on geologic investigations
Dey, William S.; Curry, B. Brandon; Sieving, John C.; Davis, Alec M.; Abert, Curt C.

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey