University of Illinois Urbana-Champaign

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Showing 91–120 of 429 items
Thumbnail for Use of trace metals to identify Illinois crude oils
Use of trace metals to identify Illinois crude oils
Witherspoon Jr., Paul Adams; Nagashima, Kozo

Thumbnail for Surface structure map of Shelby, Effingham and Fayette counties,
Surface structure map of Shelby, Effingham and Fayette counties,
Newton, William Albert; Weller, J. Marvin; Bell, Alfred Hannam

Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

Thumbnail for Oil and gas development in Illinois in 1949
Oil and gas development in Illinois in 1949
Bell, Alfred Hannam; Kline, Virginia