University of Illinois Urbana-Champaign

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Showing 451–468 of 468 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 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 Technograph v. 069 (1953-1954)
Illinois Technograph v. 069 (1953-1954)
Submitter: Timothy Donohue

Thumbnail for Illinois Technograph v. 075 (1959-1960)
Illinois Technograph v. 075 (1959-1960)
Submitter: Timothy Donohue

Thumbnail for Fox River area assessment
Fox River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis