University of Illinois Urbana-Champaign

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Showing 361–390 of 8,802 items
Thumbnail for Big Rivers area assessment
Big Rivers area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Year in review / 2008-09
Year in review / 2008-09
University of Illinois at Urbana-Champaign. Deptartment of Geology

Thumbnail for AGENDA - ECEC19 conference program
AGENDA - ECEC19 conference program
Illinois Sustainable Technology Center

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Additional Content
Submitter: Howard Ding

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.