University of Illinois Urbana-Champaign

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Showing 8251–8280 of 8,525 items
Thumbnail for Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for GeoSciences / 1994-99
GeoSciences / 1994-99
Submitter: Howard Ding