University of Illinois Urbana-Champaign

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Showing 3391–3420 of 5,897 items
Thumbnail for A summary of the uses of limestone and dolomite
A summary of the uses of limestone and dolomite
Lamar, John Everts; Willman, Harold Bowen

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 ORER letter. 1-6
ORER letter. 1-6
Submitter: Howard Ding