University of Illinois Urbana-Champaign

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Showing 1–30 of 798 items
Thumbnail for Soil survey, Montgomery County, Illinois 86
Soil survey, Montgomery County, Illinois 86
Downey, C.E.; Odell, Russell Turner

Thumbnail for Productivity of Illinois soils
Productivity of Illinois soils
Odell, Russell Turner; Oschwald, William Robert

Thumbnail for Productivity of Illinois soils
Productivity of Illinois soils
Odell, Russell Turner; Oschwald, William Robert