University of Illinois Urbana-Champaign

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Showing 6361–6390 of 6,602 items
Thumbnail for Vermilion River area assessment
Vermilion River area assessment
Illinois Department of Natural Resources

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 wetland restoration and creation guide
Illinois wetland restoration and creation guide
Admiraal, Alicia N.; Morris, Marilyn J.; Brooks, Thomas C.; Olsen, Jeffrey W.; Miller, Michael V.

Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources

Thumbnail for Year-book for 1909
Year-book for 1909
Illinois State Geological Survey

Thumbnail for Illinois Technograph v. 033 (1920-1921)
Illinois Technograph v. 033 (1920-1921)
Submitter: Timothy Donohue