University of Illinois Urbana-Champaign

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Showing 751–780 of 10,814 items
Thumbnail for Composition and character of Illinois coals,
Composition and character of Illinois coals,
Parr, Samuel Wilson; Bement, Alburto; Breckenridge, Lester Paige

Thumbnail for Chicago River/Lake Shore area assessment
Chicago River/Lake Shore area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Annual register. 1930-31
Annual register. 1930-31
University of Illinois at Urbana-Champaign

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 Field conference on Niagaran reefs in the Chicago region
Field conference on Niagaran reefs in the Chicago region
Willman, Harold Bowen; Lowenstam, H.A.; Workman, L.E.

Thumbnail for Coal industry in Illinois
Coal industry in Illinois
Louchios, Andrew G.; Elrick, Scott D.; Korose, Christopher P.; Wise, Polly