University of Illinois Urbana-Champaign

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Showing 1711–1740 of 2,028 items
Thumbnail for Illinois Water and Climate Summary, 2001
Illinois Water and Climate Summary, 2001
Water and Atmospheric Resource Monitoring Program

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.