University of Illinois Urbana-Champaign

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Showing 6391–6420 of 6,577 items
Thumbnail for Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

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

Thumbnail for Conceptual models of erosion and sedimentation in Illinois. Volume II: Level II models, model interactions, keywords, and bibliography
Conceptual models of erosion and sedimentation in Illinois. Volume II: Level II models, model interactions, keywords, and bibliography
Bhowmik, Nani G.; Demissie, Misganaw; Soong, David TaWei; Klock, Anne; Black, Nancy R.; Gross, David L.; Sipe, Timothy W.; Risser, Paul G.

Thumbnail for Year-book for 1908
Year-book for 1908
Illinois State Geological Survey

Thumbnail for Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.