University of Illinois Urbana-Champaign

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Showing 6091–6120 of 18,913 items
Thumbnail for Water Quality Features of the Upper Illinois Waterway
Water Quality Features of the Upper Illinois Waterway
Butts, Thomas A.; Evans, Ralph L.; Lin, Shun Dar

Thumbnail for The silt problem at Spring Lake Macomb, Illinois
The silt problem at Spring Lake Macomb, Illinois
Stall, John Byron; Gottschalk, L.C.; Klingebiel, Albert A.; Sauer, E.L.; DeTurk, Ernest Everett

Thumbnail for Practical Guide for Ground-water Sampling
Practical Guide for Ground-water Sampling
Barcelona, Michael J.; Gibb, James P.; Helfrich, John A.; Garske, Edward E.

Thumbnail for Ground-water geology of selected wetlands in Union and Alexander Counties, Illinois
Ground-water geology of selected wetlands in Union and Alexander Counties, Illinois
McKay, E. Donald, III; Elzeftawy, Atef; Cartwright, Keros

Thumbnail for Illinois birds, Picidae
Illinois birds, Picidae
Graber, Jean Weber; Graber, Richard Rex; Kirk, Ethelyn L.

Thumbnail for Departments in Public Libraries
Departments in Public Libraries
Gscheidle, Gertrude E.