University of Illinois Urbana-Champaign

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Showing 3421–3450 of 9,691 items
Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Trace element and organic carbon accumulation in the most recent sediments of southern Lake Michigan
Trace element and organic carbon accumulation in the most recent sediments of southern Lake Michigan
Shimp, Neil F.; Schleicher, John A.; Ruch, R.R.; Heck, David B.; Leland, Harry V.

Thumbnail for The Cottage Grove Fault System in southern Illinois
The Cottage Grove Fault System in southern Illinois
Nelson, W. John; Krausse, Hans Friedrich; Bristol, Hubert M.