University of Illinois Urbana-Champaign

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Showing 1951–1980 of 35,815 items
Thumbnail for On the Merits of Direct Observation of Periodical Usage: An Empirical Study
On the Merits of Direct Observation of Periodical Usage: An Empirical Study
Bustion, Marifran; Eltinge, John L.; Harer, John B.

Thumbnail for ITARP 2008 Annual Report
ITARP 2008 Annual Report
Illinois Transportation Archaeological Research Program

Thumbnail for Peoria-Pekin Regional Ground-Water Quality Assessment
Peoria-Pekin Regional Ground-Water Quality Assessment
Burch, Stephen L.; Kelly, Douglas J.

Thumbnail for Data on the ground waters of Lake County, Illinois
Data on the ground waters of Lake County, Illinois
Gerber, W.D.; McClure, S.M.; Tarvin, D.; Buswell, Arthur M.