University of Illinois Urbana-Champaign

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Showing 3691–3720 of 5,389 items
Thumbnail for Marion County soils / 34
Marion County soils / 34
Smith, Raymond Stratton

Thumbnail for Inorganic seminar abstracts. 79/80-83/84
Inorganic seminar abstracts. 79/80-83/84
University of Illinois at Urbana-Champaign. Deptartment of Chemistry

Thumbnail for The Chemistry of Soil Humic Acids
The Chemistry of Soil Humic Acids
Savage, Scott Maxfield

Thumbnail for Mineral industries of Illinois
Mineral industries of Illinois
Christensen, H.P.; Erb, E.