University of Illinois Urbana-Champaign

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Showing 391–420 of 1,939 items
Thumbnail for Sugar-Pecatonica area assessment
Sugar-Pecatonica area assessment
Submitter: Steven Mccauley

Thumbnail for Silurian geology of the Des Plaines River Valley, northeastern Illinois
Silurian geology of the Des Plaines River Valley, northeastern Illinois
Mikulic, Donald G.; Sargent, Michael L.; Norby, Rodney D.; Kolata, Dennis R.

Thumbnail for Bedrock Topography Waterloo Quadrangle, Monroe County, Illinois
Bedrock Topography Waterloo Quadrangle, Monroe County, Illinois
Panno, Samuel V.; Denny, F. Brett; Angel, Julie C.; Crockett, Joan E.

Thumbnail for Karst of the Driftless Area of Jo Daviess County, Illinois
Karst of the Driftless Area of Jo Daviess County, Illinois
Panno, Samuel V.; Luman, Donald E.; Kelly, Walton R.; Larson, Timothy H.; Taylor, Steven J.