University of Illinois Urbana-Champaign

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Showing 1561–1590 of 1,889 items
Thumbnail for Calumet area assessment
Calumet area assessment
Submitter: Steven Mccauley

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.

Thumbnail for Big Rivers area assessment
Big Rivers area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Upper Sangamon River area assessment
Upper Sangamon River area assessment
Submitter: Steven Mccauley

Thumbnail for Illinois River Bluffs Area Assessment
Illinois River Bluffs Area Assessment
Illinois Department of Natural Resources