University of Illinois Urbana-Champaign

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Showing 3451–3480 of 3,489 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 Illinois River Bluffs area assessment
Illinois River Bluffs area assessment
Submitter: Sarah Shreeves

Thumbnail for Illinois Research. [vol.1-vol.5]
Illinois Research. [vol.1-vol.5]
Submitter: Howard Ding

Thumbnail for Illinois research. [vol.6-vol.10]
Illinois research. [vol.6-vol.10]
Submitter: Howard Ding

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