University of Illinois Urbana-Champaign

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Showing 4171–4200 of 17,103 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 Agro-ecology / 6:2
Agro-ecology / 6:2
Submitter: Howard Ding

Thumbnail for Heat drying coals at moderate temperatures before coking
Heat drying coals at moderate temperatures before coking
Jackman, Harold Wesley; Helfinstine, Roy John