University of Illinois Urbana-Champaign

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Showing 5701–5730 of 7,508 items
Thumbnail for Water quality criteria for selected recreation uses
Water quality criteria for selected recreation uses
Bishop, Doyle W.; Aukerman, Robert

Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.

Thumbnail for Driftless area assessment
Driftless area assessment
Submitter: Steven Mccauley