University of Illinois Urbana-Champaign

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Showing 2761–2790 of 3,078 items
Thumbnail for Functional Groups of Soil Humic Acids
Functional Groups of Soil Humic Acids
Butler, John Herbert Anthony

Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

Thumbnail for eChicago 2009
eChicago 2009
Submitter: Sarah Shreeves