University of Illinois Urbana-Champaign

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Showing 8761–8790 of 10,909 items
Thumbnail for Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Locating educational information in published sources
Locating educational information in published sources
Monroe, Walter Scott; Hamilton, Thomas Tristam; Smith, Vivian Thomas