University of Illinois Urbana-Champaign

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Showing 4231–4260 of 10,246 items
Thumbnail for Studies of Nearctic Aquatic Insects
Studies of Nearctic Aquatic Insects
Ross, Herbert Holdsworth; Frison, Theodore Henry

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.