University of Illinois Urbana-Champaign

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Showing 31–60 of 194 items
Thumbnail for Soil productivity in Illinois / 1156
Soil productivity in Illinois / 1156
Fehrenbacher, Joe Bernard

Thumbnail for Mineralogical and chemical composition of inorganic matter from marketed Illinois coals
Mineralogical and chemical composition of inorganic matter from marketed Illinois coals
Demir, Ilham; Hughes, Randall E.; DeMaris, Philip J.; Ruch, Rodney R.