University of Illinois Urbana-Champaign

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Showing 841–870 of 2,569 items
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 Annual register. 1892-95
Annual register. 1892-95
University of Illinois at Urbana-Champaign