University of Illinois Urbana-Champaign

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Showing 31–60 of 23,182 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 Colloidal-size silica produced from southern Illinois tripoli
Colloidal-size silica produced from southern Illinois tripoli
Thomas, Josephus, Jr.; Ehrlinger, Henry P., III; Bohor, Bruce Forbes; Frost, Robert

Thumbnail for Coal : Illinois' black treasure
Coal : Illinois' black treasure
Treworgy, Colin G.; Vaiden, Robert C.

Thumbnail for Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Frankie, Wayne T.; Jacobson, Russell J.; Nelson, Robert S.