University of Illinois Urbana-Champaign

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Showing 3751–3780 of 4,496 items
Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

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.