University of Illinois Urbana-Champaign

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Showing 6271–6300 of 17,378 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 Study of Atmospheric Pollution Scavenging: Seventeenth Progress Report
Study of Atmospheric Pollution Scavenging: Seventeenth Progress Report
Semonin, Richard G.; Bartlett, Janyce D.; Gatz, Donald F.; Peden, Mark E.; Skowrow, Lorretta M.; Stensland, Gary J.

Thumbnail for Shawnee area assessment
Shawnee area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources, Illinois State Water Survey