University of Illinois Urbana-Champaign

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Showing 1861–1890 of 14,502 items
Thumbnail for Properties of chert related to its reactivity in an alkaline environment
Properties of chert related to its reactivity in an alkaline environment
Fraser, Gordon S.; Harvey, Richard David; Heigold, Paul C.

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 ORER letter. 1-6
ORER letter. 1-6
Submitter: Howard Ding