University of Illinois Urbana-Champaign

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Showing 151–180 of 2,966 items
Thumbnail for Bedrock Topography of Pomona Quadrangle, Jackson County, Illinois
Bedrock Topography of Pomona Quadrangle, Jackson County, Illinois
Seid, Mary J.; Nelson, W. John; Devera, Joseph A.

Thumbnail for Depositional history of the Pennsylvanian rocks in Illinois
Depositional history of the Pennsylvanian rocks in Illinois
Illinois State Geological Survey Coal Section; Jacobson, Russell J.

Thumbnail for Agstone used in Illinois in 1947
Agstone used in Illinois in 1947
Voskuil, Walter H.; King, Ethel M.

Thumbnail for Structural trends in the Illinois Basin
Structural trends in the Illinois Basin
Cohee, George Vincent; Carter, Charles William

Thumbnail for Road Materials Resources of Brown County, Illinois
Road Materials Resources of Brown County, Illinois
Apfel, E.T.; Holmes, C.D.; Root, T.B.