University of Illinois Urbana-Champaign

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Showing 7531–7560 of 11,023 items
Thumbnail for Water Quality in Cedar Lake and the Relevance of Its Watershed
Water Quality in Cedar Lake and the Relevance of Its Watershed
Roseboom, Donald P.; Evans, Ralph L.; Hill, Thomas E.

Thumbnail for The petroleum industry of southeastern Illinois
The petroleum industry of southeastern Illinois
Blatchley, Willis Stanley; Weller, Stuart