University of Illinois Urbana-Champaign

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Showing 1561–1590 of 4,905 items
Thumbnail for Illinois Waterfowl Surveys and Investigations Annual Report for W-43-R-59
Illinois Waterfowl Surveys and Investigations Annual Report for W-43-R-59
Yetter,Aaron P.; Horath,Michelle M.; Hagy,Heath M.; Smith,Randolph V.; Hine,Christopher S.; Stafford,Joshua D.

Thumbnail for Groundwater contamination in karst terrain of southwestern Illinois
Groundwater contamination in karst terrain of southwestern Illinois
Panno, S.V.; Krapac, I.G.; Weibel, C.P.; Bade, J.D.

Thumbnail for INHS Reports, February 1991
INHS Reports, February 1991
Illinois Natural History Survey

Thumbnail for INHS Reports, May/June 1999
INHS Reports, May/June 1999
Illinois Natural History Survey

Thumbnail for Additional Content
Additional Content
Submitter: Howard Ding

Thumbnail for Annual register. 1907-1908
Annual register. 1907-1908
University of Illinois at Urbana-Champaign

Thumbnail for Wetland wonders : instructional materials for the study of midwestern wetlands
Wetland wonders : instructional materials for the study of midwestern wetlands
Jeffords, Michael R.; Hodgins, Audrey S.; Havera, Stephen P.

Thumbnail for Characterization of the Study Areas for the Pilot Study: Agricultural Chemicals  in Rural, Private Wells in Illinois
Characterization of the Study Areas for the Pilot Study: Agricultural Chemicals in Rural, Private Wells in Illinois
Mehnert, Edward; Barnhardt, Michael L.; Ray, Chittaranjan; Greenpool, Mary R.; Dey, William S.; Vaisanen, U.; Kempton, J.P.; Curry, B. Brandon

Thumbnail for Acid Rain : What Do We Know
Acid Rain : What Do We Know
Siebel, Elisabeth Panttaja

Thumbnail for Additional Content
Additional Content
Submitter: Howard Ding

Thumbnail for Geology of the Waltersburg Quadrangle, Pope County, Illinois
Geology of the Waltersburg Quadrangle, Pope County, Illinois
Weibel, C. Pius; Nelson, W. John; Oliver, Lynne B.; Esling, Steven P.