University of Illinois Urbana-Champaign

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Showing 3691–3720 of 5,390 items
Thumbnail for Marion County soils / 34
Marion County soils / 34
Smith, Raymond Stratton

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

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