University of Illinois Urbana-Champaign

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Showing 1171–1200 of 4,220 items
Thumbnail for Geochemistry of Fluorine in Illinois Soils
Geochemistry of Fluorine in Illinois Soils
Omueti, John Ajayi Izegaegbe

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.