University of Illinois Urbana-Champaign

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Showing 2551–2580 of 7,358 items
Thumbnail for The Chemistry of Soil Humic Acids
The Chemistry of Soil Humic Acids
Savage, Scott Maxfield

Thumbnail for Additional Content 2
Additional Content 2
Submitter: Howard Ding

Thumbnail for ILLIMAP-a computer-based mapping system for Illinois
ILLIMAP-a computer-based mapping system for Illinois
Swann, D.H.; DuMontelle, P.B.; Mast, R.F.; Van Dyke, L.H.