University of Illinois Urbana-Champaign

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Showing 31–60 of 193 items
Thumbnail for Bedrock topography of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois
Bedrock topography of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois
Panno, Samuel V.; Angel, Julie C.; Grimley, David A.; Weibel, C. Pius; Stiff, Barbara J.

Thumbnail for Bedrock geology of Vienna Quadrangle, Johnson County, Illinois
Bedrock geology of Vienna Quadrangle, Johnson County, Illinois
Nelson, W. John; Hintz, Jena; Devera, Joseph A.; Denny, F. Brett

Thumbnail for Geology of the Waltersburg Quadrangle, Pope County, Illinois
Geology of the Waltersburg Quadrangle, Pope County, Illinois
Weibel, C. Pius; Nelson, W. John; Oliver, Lynne B.; Esling, Steven P.

Thumbnail for Bedrock Topography of Renault Quadrangle, Monroe County, Illinois
Bedrock Topography of Renault Quadrangle, Monroe County, Illinois
Panno, Samuel V.; Angel, Julie C.; Weibel, C. Pius; Stiff, Barbara J.

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Neogene grabens in southernmost Illinois
Neogene grabens in southernmost Illinois
Nelson, W. John; McBride, John H.

Thumbnail for Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Denny, F. Brett; Nelson, W. John; Breeden, Jeremy R.; Lillie, Ross C.