University of Illinois Urbana-Champaign

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Showing 2071–2100 of 2,211 items
Thumbnail for Petroleum industry in Illinois, 1958
Petroleum industry in Illinois, 1958
Bell, Alfred Hannam; Mast, Richard F.; Oros, Margaret O.; Sherman, Carl W.; Van Den Berg, Jacob

Thumbnail for Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

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 Agro-ecology / 1-6
Agro-ecology / 1-6
Submitter: Howard Ding

Thumbnail for Calumet area assessment
Calumet area assessment
Submitter: Steven Mccauley

Thumbnail for Embarras River area assessment
Embarras River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for The Illinois Gap Analysis Final Report 2006
The Illinois Gap Analysis Final Report 2006
Tweddale, Tari; Brown, Patrick W.; Bahnsen, Brooke; Chapa, Leonardo