University of Illinois Urbana-Champaign

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Showing 421–450 of 4,059 items
Thumbnail for Heat drying coals at moderate temperatures before coking
Heat drying coals at moderate temperatures before coking
Jackman, Harold Wesley; Helfinstine, Roy John

Thumbnail for REPLAB: A Study in Scientific Inquiry Using the PLATO System
REPLAB: A Study in Scientific Inquiry Using the PLATO System
Bitzer, Donald L.; Lyman, Elisabeth R.; Suchman, J. Richard

Thumbnail for Grand Tower limestone (Devonian) of southern Illinois
Grand Tower limestone (Devonian) of southern Illinois
Meents, Wayne Franklin; Swann, David Henry joint author