University of Illinois Urbana-Champaign

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Showing 1531–1560 of 1,610 items
Thumbnail for Upper Sangamon River area assessment
Upper Sangamon River area assessment
Submitter: Steven Mccauley

Thumbnail for eChicago 2007
eChicago 2007
Submitter: Marlo Welshons

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 Lower Rock River area assessment
Lower Rock River area assessment
Submitter: Steven Mccauley

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