University of Illinois Urbana-Champaign

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Showing 31–60 of 7,383 items
Thumbnail for Development of paleobotany in the Illinois Basin
Development of paleobotany in the Illinois Basin
Phillips, Tom Lee; Pfefferkorn, Hermann W.; Peppers, Russel A.

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

Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.

Thumbnail for Optimal Time for Collecting Volatile Organic Chemical Samples from Slowly Recovering Wells
Optimal Time for Collecting Volatile Organic Chemical Samples from Slowly Recovering Wells
Chou, Sheng-Fu J.; Herzog, Beverly L.; Valkenburg, John R.; Griffin, Robert A.