University of Illinois Urbana-Champaign

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Showing 571–600 of 1,704 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 Annual register. 1917-18
Annual register. 1917-18
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1914-15
Annual register. 1914-15
University of Illinois at Urbana-Champaign

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

Thumbnail for Mineral production in Illinois in 1954
Mineral production in Illinois in 1954
Voskuil, Walter Henry; Busch, Willis L.