University of Illinois Urbana-Champaign

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Showing 421–450 of 2,590 items
Thumbnail for Geology for planning in McHenry County
Geology for planning in McHenry County
Hackett, James Edward; McComas, Murray R.

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.