University of Illinois Urbana-Champaign

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Showing 1531–1560 of 1,869 items
Thumbnail for Annual register. 1929-30
Annual register. 1929-30
University of Illinois at Urbana-Champaign

Thumbnail for Illinois mineral industry in 1945
Illinois mineral industry in 1945
Voskuil, Walter Henry; Stevens, Douglas F.; Hamrick, Nina T.

Thumbnail for Sinkhole Plain area assessment
Sinkhole Plain area assessment
Submitter: Steven Mccauley

Thumbnail for Du Page River area assessment
Du Page River area assessment
Submitter: Steven Mccauley

Thumbnail for Annual register. 1930-31
Annual register. 1930-31
University of Illinois at Urbana-Champaign

Thumbnail for The Influences of Land Uses and Stream Modifications on Water Quality in the Streams of the Court Creek Watershed
The Influences of Land Uses and Stream Modifications on Water Quality in the Streams of the Court Creek Watershed
Roseboom, Donald P.; Evans, Ralph L.; Erickson, John; Brooks, Lyle G.; Shackleford, Dana B.

Thumbnail for Annual register. 1931-32
Annual register. 1931-32
University of Illinois at Urbana-Champaign

Thumbnail for Upper Rock River area assessment
Upper Rock River area assessment
Illinois Department of Natural Resources, Office of Scientific Research; Illinois Department of Natural Resources, Illinois State Water Survey