University of Illinois Urbana-Champaign

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Showing 31–60 of 147 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 North American paleozoic Chitinozoa,
North American paleozoic Chitinozoa,
Collinson, Charles William; Schwalb, Howard R.

Thumbnail for Geology for planning in McHenry County
Geology for planning in McHenry County
Hackett, James Edward; McComas, Murray R.

Thumbnail for The Sandwich Fault Zone of northern Illinois
The Sandwich Fault Zone of northern Illinois
Kolata, Dennis R.; Buschbach, T.C.; Treworgy, Janis D.

Thumbnail for Structural framework of the Mississippi embayment of southern Illinois
Structural framework of the Mississippi embayment of southern Illinois
Kolata, Dennis R.; Treworgy, Janis D.; Masters, John M.

Thumbnail for Groundwater geology of the East St. Louis area, Illinois,
Groundwater geology of the East St. Louis area, Illinois,
Bergstrom, Robert Edward; Walker, Theodore R.

Thumbnail for Glacial tills of Northwestern Illinois
Glacial tills of Northwestern Illinois
Illinois State Geological Survey; Frye, John Chapman