University of Illinois Urbana-Champaign

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Showing 31–60 of 556 items
Thumbnail for Geological and geophysical maps of the Illinois Basin-Ozark Dome region
Geological and geophysical maps of the Illinois Basin-Ozark Dome region
Abert, Curtis C.; Marshak, Stephen; Larson, Timothy H.

Thumbnail for 2012 Report
2012 Report
Prairie Research Institute

Thumbnail for Geologic atlas of Cook County for planning purposes
Geologic atlas of Cook County for planning purposes
Leetaru, Hannes E.; Sargent, Michael L.; Kolata, Dennis R.