University of Illinois Urbana-Champaign

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Showing 541–570 of 1,956 items
Thumbnail for Kishwaukee River area assessment
Kishwaukee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for The Illinois soil experiment fields
The Illinois soil experiment fields
Bauer, Frederick Charles; Smith, Raymond Stratton; Smith, Louie Henrie