University of Illinois Urbana-Champaign

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Showing 1–30 of 2,479 items
Thumbnail for Field book, Pennsylvanian plant fossils of Illinois
Field book, Pennsylvanian plant fossils of Illinois
Collinson, Charles William; Skartvedt, Romayne

Thumbnail for The filmy fern in Illinois
The filmy fern in Illinois
Evers, Robert August

Thumbnail for Upper Rock River area assessment
Upper Rock River area assessment
Illinois Department of Natural Resources, Office of Scientific Research; Illinois Department of Natural Resources, Illinois State Water Survey

Thumbnail for Distribution of boghead algae in Illinois Basin coal beds
Distribution of boghead algae in Illinois Basin coal beds
Peppers, Russel Allen; Harvey, Richard David

Thumbnail for A Biological Survey and Assessment of the Little Vermilion River State Natural Area,
            Vermilion County, Illinois
A Biological Survey and Assessment of the Little Vermilion River State Natural Area, Vermilion County, Illinois
Phillips, Christopher A.; Handel, William C.; Hofmann, Joyce E.; Amundsen, Steven B.

Thumbnail for Thorn Creek area assessment
Thorn Creek area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Development of paleobotany in the Illinois Basin
Development of paleobotany in the Illinois Basin
Phillips, Tom Lee; Pfefferkorn, Hermann W.; Peppers, Russel A.