University of Illinois Urbana-Champaign

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Showing 2041–2070 of 2,143 items
Thumbnail for Biologically Significant Illinois Streams: An Evaluation of the Streams of Illinois Based on Aquatic Biodiversity
Biologically Significant Illinois Streams: An Evaluation of the Streams of Illinois Based on Aquatic Biodiversity
Page, Lawrence M.; Cummings, Kevin S.; Mayer, Christine A.; Post, Susan L.; Retzer, Michael E.

Thumbnail for Water-use law in Illinois
Water-use law in Illinois
Mann, Fred L.; Krausz, Norman George Phillip; Ellis, Harold H.

Thumbnail for The PORTHOS Executive System for the IBM 7094: user's manual.
The PORTHOS Executive System for the IBM 7094: user's manual.
Digital Computer Laboratory. University of Illinois at Urbana-Champaign

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