University of Illinois Urbana-Champaign

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Showing 31–60 of 398 items
Thumbnail for Environmental evaluations using birds and their habitats
Environmental evaluations using birds and their habitats
Graber, Jean Weber; Graber, Richard Rex

Thumbnail for Pesticides and Environmental Quality in Illinois
Pesticides and Environmental Quality in Illinois
Metcalf, Robert L.; Sanborn, James R.

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

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

Thumbnail for An Electrofishing Survey of the Illinois River, 1959-1974
An Electrofishing Survey of the Illinois River, 1959-1974
Sparks, Richard E.; Starrett, William Charles

Thumbnail for Comparative Uptake and Biodegradability of DDT and Methoxychlor by Aquatic Organisms
Comparative Uptake and Biodegradability of DDT and Methoxychlor by Aquatic Organisms
Reinbold, Keturah A.; Kapoor, Inder P.; Childers, William Franklin; Bruce, Willis Nels; Metcalf, Robert L.

Thumbnail for Illinois birds, Wood warblers
Illinois birds, Wood warblers
Graber, Jean Weber; Kirk, Ethelyn L.; Graber, Richard Rex

Thumbnail for Waterfowl Populations and the Changing Environment of the Illinois River Valley
Waterfowl Populations and the Changing Environment of the Illinois River Valley
Bellrose, Frank Chapman; Paveglio, Fred, L. Jr.; Steffeck, Donald W.

Thumbnail for 81st Illinois Fire College Brochure
81st Illinois Fire College Brochure
Illinois Fire Service Institute

Thumbnail for The Reproductive Cycle of the Raccoon in Illinois
The Reproductive Cycle of the Raccoon in Illinois
Sanderson, Glen C.; Nalbandov, A.V.

Thumbnail for Wetwood Disease of Elm
Wetwood Disease of Elm
Carter, Cedric J.

Thumbnail for The Mecoptera, or Scorpionflies, of Illinois
The Mecoptera, or Scorpionflies, of Illinois
Webb, Donald W.; Penny, Norman D.; Marlin, John C.

Thumbnail for INHS Reports, May 1988
INHS Reports, May 1988
Illinois Natural History Survey

Thumbnail for Fertilizing and Watering Trees
Fertilizing and Watering Trees
Neely, Dan; Himelick, Eugene Bryson