University of Illinois Urbana-Champaign

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Showing 901–930 of 8,602 items
Thumbnail for Geologic notes
Geologic notes
Jacobson, Russell J.; Trask, C. Brian; Palmer, James E.; Peppers, Russel A.; Nelson, W. John; Killey, Myrna M.; Lineback, Jerry A.

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 The geology of Hardin County, and the adjoining part of Pope County.
The geology of Hardin County, and the adjoining part of Pope County.
Weller, Stuart; Butts, Charles; Currier, Louis W.; Salisbury, Rollin D.

Thumbnail for Quaternary geology, geomorphology, and climatic history of Kane County, Illinois
Quaternary geology, geomorphology, and climatic history of Kane County, Illinois
Curry, B. Brandon; Grimley, David A.; Stravers, Jay A.