University of Illinois Urbana-Champaign

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Showing 31–60 of 174 items
Thumbnail for Illinois birds, Corvidae
Illinois birds, Corvidae
Graber, Jean Weber; Kirk, Ethelyn L.; Graber, Richard Rex

Thumbnail for Geologic mapping for environmental planning, McHenry County, Illinois
Geologic mapping for environmental planning, McHenry County, Illinois
Curry, B. Brandon; Berg, Richard C.; Vaiden, Robert

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

Thumbnail for Illinois groundwater : a vital geologic resource
Illinois groundwater : a vital geologic resource
Killey, Myrna M.; Larson, David R.