University of Illinois Urbana-Champaign

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Showing 1–30 of 935 items
Thumbnail for Surficial geology of Wauconda Quadrangle, Lake and McHenry counties, Illinois
Surficial geology of Wauconda Quadrangle, Lake and McHenry counties, Illinois
Stumpf, Andrew J.; Barnhardt, Michael L.; Hansel, Ardith K.

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.

Thumbnail for Bedrock Geology of Gorham Quadrangle, Jackson County, Illinois
Bedrock Geology of Gorham Quadrangle, Jackson County, Illinois
Seid, Mary J.; Devera, Joseph A.; Weedman, Allen L. • 2024

Thumbnail for Bedrock Geology of Ridgway Quadrangle, Gallatin and Saline Counties, Illinois
Bedrock Geology of Ridgway Quadrangle, Gallatin and Saline Counties, Illinois
Nelson, W. John; Denny, F. Brett; Larson, Timothy H.; Breeden, Jeremy R. • 2024

Thumbnail for Bedrock geology of Andalusia Quadrangle, Rock Island County, Illinois
Bedrock geology of Andalusia Quadrangle, Rock Island County, Illinois
Devera, Joseph A.; Krienert, Joseph M. • 2024

Thumbnail for Bedrock Geology of Herod Quadrangle, Pope, Saline, and Hardin Counties, Illinois
Bedrock Geology of Herod Quadrangle, Pope, Saline, and Hardin Counties, Illinois
Denny, F. Brett; Nelson, W. John; Devera, Joseph A. • 2024

Thumbnail for Bedrock Geology of Altenburg Quadrangle, Jackson County, Illinois and Perry County, Missouri
Bedrock Geology of Altenburg Quadrangle, Jackson County, Illinois and Perry County, Missouri
Seid, Mary J.; Devera, Joseph A.; Weedman, Allen L.; Amos, Dewey H. • 2024

Thumbnail for Bedrock Geology of Baldwin Quadrangle, Randolph and St. Clair Counties, Illinois
Bedrock Geology of Baldwin Quadrangle, Randolph and St. Clair Counties, Illinois
Breeden, Jeremy R.; Devera, Joseph A; Nelson, W. John; Denny, F. Brett • 2024