University of Illinois Urbana-Champaign

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Showing 61–90 of 185 items
Thumbnail for The Petrology of Underclays
The Petrology of Underclays
Schultz, Leonard Gene

Thumbnail for Evolution of a Peat-Contemporaneous Channel: The Galatia Channel, Middle Pennsylvanian, of the Illinois Basin
Evolution of a Peat-Contemporaneous Channel: The Galatia Channel, Middle Pennsylvanian, of the Illinois Basin
Nelson, W. John; Elrick, Scott D.; DiMichele, William A.; Ames, Philip R.

Thumbnail for Typical rocks and minerals in Illinois
Typical rocks and minerals in Illinois
Ekblaw, George E.; Carroll, Don L.

Thumbnail for Karst Springs in the Sinkhole Plain of Illinois: Their Community Diversity and
            Hydrogeology
Karst Springs in the Sinkhole Plain of Illinois: Their Community Diversity and Hydrogeology
Reed, P.C.; Wetzel, Mark J.; Webb, Donald W.; Young, T.C.; Phillippe, Loy R.

Thumbnail for Silurian geology of the Des Plaines River Valley, northeastern Illinois
Silurian geology of the Des Plaines River Valley, northeastern Illinois
Mikulic, Donald G.; Sargent, Michael L.; Norby, Rodney D.; Kolata, Dennis R.