University of Illinois Urbana-Champaign

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Showing 5101–5130 of 5,637 items
Thumbnail for Rainfall frequency atlas of the Midwest
Rainfall frequency atlas of the Midwest
Huff, Floyd A.; Angel, James R.

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.