University of Illinois Urbana-Champaign

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Showing 901–930 of 1,813 items
Thumbnail for Upper Des Plaines River area assessment
Upper Des Plaines River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Water-use law in Illinois
Water-use law in Illinois
Mann, Fred L.; Krausz, Norman George Phillip; Ellis, Harold H.

Thumbnail for Sex Ratios and Age Ratios in North American Ducks
Sex Ratios and Age Ratios in North American Ducks
Bellrose, Frank Chapman; Scott, Thomas G.; Hawkins, Arthur Stuart; Low, Jessop B.

Thumbnail for Mississippi Western Five area assessment
Mississippi Western Five area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Sedimentation in Quincy Bay and Potential Remedial Measures
Sedimentation in Quincy Bay and Potential Remedial Measures
Adams, J. Rodger; Bhowmik, Nani G.; Bogner, William C.; Dillon, Frank S.

Thumbnail for Illinois birds: Ciconiiformes
Illinois birds: Ciconiiformes
Graber, Jean Weber; Kirk, Ethelyn L.; Graber, Richard Rex

Thumbnail for Some unusual natural areas in Illinois
Some unusual natural areas in Illinois
Evers, Robert August; Page, Lawrence M.

Thumbnail for Annual report. 1973/74
Annual report. 1973/74
University of Illinois at Urbana-Champaign. Office of Recreation and Park Resources

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

Thumbnail for Amendment: Assessment of Ecotoxicological Hazard of Waukegan Harbor Sediment
Amendment: Assessment of Ecotoxicological Hazard of Waukegan Harbor Sediment
Risatti, James B.; Ross, Philippe E.; Burnett, LouAnn C.