University of Illinois Urbana-Champaign

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Showing 6931–6960 of 13,815 items
Thumbnail for Kishwaukee River area assessment
Kishwaukee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Types of farming in Illinois : an analysis of differences by areas
Types of farming in Illinois : an analysis of differences by areas
Case, Harold Clayton M.; Myers, Kenneth Hayes

Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

Thumbnail for Delineation of the coalbed methane resources of Illinois
Delineation of the coalbed methane resources of Illinois
Demir, Ilham; Morse, David G.; Elrick, Scott D.; Chenoweth, Cheri A.

Thumbnail for The techniques of educational research
The techniques of educational research
Monroe, Walter Scott; Engelhart, Max Dissette