University of Illinois Urbana-Champaign

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Showing 1141–1170 of 4,888 items
Thumbnail for Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Properties of chert related to its reactivity in an alkaline environment
Properties of chert related to its reactivity in an alkaline environment
Fraser, Gordon S.; Harvey, Richard David; Heigold, Paul C.

Thumbnail for Additional Content
Additional Content
Submitter: Howard Ding

Thumbnail for Lake Michigan bibliography Volume 1
Lake Michigan bibliography Volume 1
Holm, Nancy Peterson; Morgan, Beth McArdle