University of Illinois Urbana-Champaign

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Showing 571–600 of 14,972 items
Thumbnail for Effective Porosity of Geologic Materials: First Annual Report
Effective Porosity of Geologic Materials: First Annual Report
Gibb, James P.; Barcelona, Michael J.; Ritchey, Joseph D.; LeFaivre, Mary H.

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.