University of Illinois Urbana-Champaign

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Showing 2341–2370 of 2,484 items
Thumbnail for Illinois River Bluffs Area Assessment
Illinois River Bluffs Area Assessment
Illinois Department of Natural Resources

Thumbnail for News letter / 1931-43
News letter / 1931-43
University of Illinois at Urbana-Champaign. Library School Association

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 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.