University of Illinois Urbana-Champaign

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Showing 1501–1530 of 9,687 items
Thumbnail for Guide to the structure and paleozoic stratigraphy along the Lincoln fold in western Illinois
Guide to the structure and paleozoic stratigraphy along the Lincoln fold in western Illinois
Collinson, Charles William; Swann, David Henry; Willman, Harold Bowen

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

Thumbnail for GeoSciences / 1994-99
GeoSciences / 1994-99
Submitter: Howard Ding