University of Illinois Urbana-Champaign

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Showing 3961–3990 of 9,917 items
Thumbnail for Geology for planning in northeastern Illinois. VIII. Regional summary
Geology for planning in northeastern Illinois. VIII. Regional summary
Kempton, John P.; Bogner, Jean E.; Cartwright, Keros

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.