University of Illinois Urbana-Champaign

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Showing 3061–3090 of 26,758 items
Thumbnail for Geologic structure map of the northwestern Illinois zinc-lead district
Geologic structure map of the northwestern Illinois zinc-lead district
Bradbury, James C.; Grogan, Robert Mann; Cronk, R.J.

Thumbnail for Additional Content
Additional Content
Submitter: Howard Ding

Thumbnail for Year-book for 1909
Year-book for 1909
Illinois State Geological Survey

Thumbnail for Science as Literature
Science as Literature
Sutherland, Zena

Thumbnail for Grand Tower limestone (Devonian) of southern Illinois
Grand Tower limestone (Devonian) of southern Illinois
Meents, Wayne Franklin; Swann, David Henry joint author

Thumbnail for Oil and gas industry in Illinois, January 1, 1955
Oil and gas industry in Illinois, January 1, 1955
Bell, Alfred Hannam; Kline, Virginia; Meents, Wayne Franklin

Thumbnail for Vermilion River area assessment
Vermilion River area assessment
Illinois Department of Natural Resources

Thumbnail for 43rd annual Tri-state Geological Field Conference, October 5-7, 1979 : Geology of Western Illinois
43rd annual Tri-state Geological Field Conference, October 5-7, 1979 : Geology of Western Illinois
Tri-State Geological Field Conference (43rd : 1979 : Grafton, Ill.)