University of Illinois Urbana-Champaign

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Showing 871–900 of 988 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 Lake Michigan bibliography Volume 2
Lake Michigan bibliography Volume 2
Holm, Nancy Peterson; Morgan, Beth McArdle