University of Illinois Urbana-Champaign

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Showing 4021–4050 of 5,135 items
Thumbnail for Petrographic and coking characteristics of coal : laboratory study of Illinois coal seams nos. 5 and 6
Petrographic and coking characteristics of coal : laboratory study of Illinois coal seams nos. 5 and 6
Marshall, Charles Edward; Harrison, John A.; Simon, Jack A.; Parker, Margaret A.

Thumbnail for Annotated bibliography of observations on Illinois water resources 1673-1850
Annotated bibliography of observations on Illinois water resources 1673-1850
Schlunz, Thomas P.; Sutton, Robert M.; White, George W.

Thumbnail for Illinois highway and agricultural drainage laws
Illinois highway and agricultural drainage laws
Drablos, Carroll J.W.; Jones, Benjamin Angus, Jr.