University of Illinois Urbana-Champaign

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Showing 1–30 of 4,778 items
Thumbnail for INHS Reports, May/June 1992
INHS Reports, May/June 1992
Illinois Natural History Survey

Thumbnail for INHS Reports, July/August 1994
INHS Reports, July/August 1994
Illinois Natural History Survey

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 Field trip guide to kaolinite geodes in Hamilton, Illinois, USA
Field trip guide to kaolinite geodes in Hamilton, Illinois, USA
Freiburg, Jared; Grathoff, Georg; Lasemi, Zakaria