University of Illinois Urbana-Champaign

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Showing 3901–3930 of 3,976 items
Thumbnail for Du Page River area assessment
Du Page River area assessment
Submitter: Steven Mccauley

Thumbnail for Illinois Technograph v. 077 (1961-1962)
Illinois Technograph v. 077 (1961-1962)
Submitter: Timothy Donohue

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 Public groundwater supplies in Will county
Public groundwater supplies in Will county
Woller, Dorothy M.; Sanderson, Ellis W.