University of Illinois Urbana-Champaign

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Showing 91–120 of 724 items
Thumbnail for Karst regions of Illinois
Karst regions of Illinois
Panno, S.V.; Weibel, C. Pius; Li, W.

Thumbnail for Bedrock Geology of Oraville Quadrangle, Jackson County, Illinois
Bedrock Geology of Oraville Quadrangle, Jackson County, Illinois
Williams, Laura; Devera, Joseph A.; Staub, James R.