University of Illinois Urbana-Champaign

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Showing 8371–8400 of 8,572 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.