University of Illinois Urbana-Champaign

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Showing 6061–6090 of 8,138 items
Thumbnail for Mass balance of nitrogen and phosphorus in an agricultural watershed : the shallow groundwater component
Mass balance of nitrogen and phosphorus in an agricultural watershed : the shallow groundwater component
Mehnert, Edward; Dey, William S.; Hwang, Hue-Hwa; Keefer, Donald A.; Holm, Thomas R.; Johnson, Thomas M.; Beaumont, Will C.; Wander, Matthew C.F.; Sanford, Robert A.; McDonald, Jennifer M.; Shiffer, Shawn M.

Thumbnail for Lower Des Plaines River area assessment
Lower Des Plaines River area assessment
Submitter: Steven Mccauley

Thumbnail for Farm news for weeklies. 1958
Farm news for weeklies. 1958
Submitter: Howard Ding

Thumbnail for Farm news for weeklies. 1956
Farm news for weeklies. 1956
Submitter: Howard Ding