University of Illinois Urbana-Champaign

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Showing 9301–9330 of 16,709 items
Thumbnail for Embarras River area assessment
Embarras River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for Government and Foundation Publishing
Government and Foundation Publishing
Dalton, Phyllis I.; Lee, Constance E.; Mumm, Beulah

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 Sedimentation Investigation of Lake Springfield, Springfield, Illinois
Sedimentation Investigation of Lake Springfield, Springfield, Illinois
Fitzpatrick, William P.; Bogner, William C.; Bhowmik, Nani G.