University of Illinois Urbana-Champaign

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Showing 1861–1890 of 2,605 items
Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for eChicago 2007
eChicago 2007
Submitter: Marlo Welshons

Thumbnail for The mineral content of Illinois waters
The mineral content of Illinois waters
Bartow, Edward; Parr, Samuel Wilson; Palmer, George Thomas; Udden, Johan August

Thumbnail for Classification of the Pennsylvanian strata of Illinois
Classification of the Pennsylvanian strata of Illinois
Kosanke, Robert M.; Simon, J.A.; Wanless, H.R.; Willman, H.B.

Thumbnail for The Summary of Engineering Research 2004
The Summary of Engineering Research 2004
University of Illinois at Urbana-Champaign. College of Engineering