University of Illinois Urbana-Champaign

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Showing 6061–6090 of 6,658 items
Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

Thumbnail for Potential water resources of Southern Illinois
Potential water resources of Southern Illinois
Roberts, Wyndham J.; Hanson, Ross; Huff, Floyd A.; Changnon Jr., Stanley A.; Larson, Thurston E.