University of Illinois Urbana-Champaign

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Showing 361–390 of 18,693 items
Thumbnail for The fertility in Illinois Soils
The fertility in Illinois Soils
Hopkins, Cyril G.; Pettit, James Harvey

Thumbnail for Wolf Lake geological field trip
Wolf Lake geological field trip
Reinertsen, David L.; Reed, Philip C.

Thumbnail for Wabash County soils / 61
Wabash County soils / 61
Smith, Raymond Stratton; Smith, Louie Henrie

Thumbnail for Wayne County soils / 49
Wayne County soils / 49
Norton, Ethan Arlo

Thumbnail for Guide to rocks and minerals of Illinois.
Guide to rocks and minerals of Illinois.
Illinois State Geological Survey

Thumbnail for Water infiltration into representative soils of the North Central Region / Bulletin 760
Water infiltration into representative soils of the North Central Region / Bulletin 760
North Central Regional Committee 40 on Water Infiltration Rate Methods and Determinations on Soils