University of Illinois Urbana-Champaign

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Showing 2011–2040 of 2,538 items
Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

Thumbnail for Illinois pest control handbook
Illinois pest control handbook
University of Illinois at Urbana-Champaign. College of Agriculture Cooperative Extension Service

Thumbnail for Functional Groups of Soil Humic Acids
Functional Groups of Soil Humic Acids
Butler, John Herbert Anthony