University of Illinois Urbana-Champaign

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Showing 3001–3030 of 8,725 items
Thumbnail for Illinois birds: Hirundinidae
Illinois birds: Hirundinidae
Graber, Richard Rex; Graber, Jean Weber; Kirk, Ethelyn L.

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.