University of Illinois Urbana-Champaign

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Showing 2131–2160 of 4,329 items
Thumbnail for The modification of Illinois coal by low temperature distillation
The modification of Illinois coal by low temperature distillation
Parr, Samuel Wilson; Francis, Charles Kenworthy

Thumbnail for Annual register. 1934-35
Annual register. 1934-35
University of Illinois at Urbana-Champaign

Thumbnail for The weathering of coal. Series of 1909
The weathering of coal. Series of 1909
Parr, Samuel Wilson; Wheeler, Wilfrid Forrest

Thumbnail for The Native and Naturalized Trees of Illinois
The Native and Naturalized Trees of Illinois
Miller, Robert Barclay; Tehon, Leo Roy