University of Illinois Urbana-Champaign

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Showing 1321–1350 of 1,382 items
Illinois Technograph v. 077 (1961-1962)
Submitter: Timothy Donohue

Big Muddy River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Lake Michigan bibliography Volume 1
Holm, Nancy Peterson; Morgan, Beth McArdle

La Moine River area assessment
Submitter: Steven Mccauley

Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.