University of Illinois Urbana-Champaign

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Showing 211–240 of 2,708 items
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"Peaty swamp lands : sand and ""alkali"" soils"
Hopkins, Cyril G.; Fisher, Ora Stanley; Readhimer, Jerome Edward

Thumbnail for Special to farm advisers / 1949
Special to farm advisers / 1949
Submitter: Howard Ding

Thumbnail for Illinois clay resources for lightweight ceramic block
Illinois clay resources for lightweight ceramic block
White, William Arthur; O'Brien, Neal R.

Thumbnail for St. Clair County soils / 63
St. Clair County soils / 63
Smith, Guy D.; Smith, Louie Henrie

Thumbnail for The PreCambrian basement of Illinois
The PreCambrian basement of Illinois
Bradbury, James C.; Atherton, Elwood