University of Illinois Urbana-Champaign

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Showing 9481–9510 of 36,048 items
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.

Thumbnail for Mississippi Western Five area assessment
Mississippi Western Five area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for On the Merits of Direct Observation of Periodical Usage: An Empirical Study
On the Merits of Direct Observation of Periodical Usage: An Empirical Study
Bustion, Marifran; Eltinge, John L.; Harer, John B.