University of Illinois Urbana-Champaign

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Showing 3151–3180 of 6,952 items
Thumbnail for The role of Silurian bedrock reefs in the Lake Michigan lake trout fishery : final federal aid report
The role of Silurian bedrock reefs in the Lake Michigan lake trout fishery : final federal aid report
Holm, Nancy Peterson; Norby, Rodney D.; Smith, Lisa R.; Collinson, Charles

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

Thumbnail for Understanding definitions
Understanding definitions
Scott, Judith A.; Nagy, William E.