University of Illinois Urbana-Champaign

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Showing 781–810 of 8,602 items
Thumbnail for Petroleum industry in Illinois, 1958
Petroleum industry in Illinois, 1958
Bell, Alfred Hannam; Mast, Richard F.; Oros, Margaret O.; Sherman, Carl W.; Van Den Berg, Jacob

Thumbnail for Short papers on geologic subjects
Short papers on geologic subjects
Grogan, Robert Mann; Knodle, Robert D.; Lowenstam, Heinz A.; Shrode, Raymond

Thumbnail for Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

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 Digital Orthophoto Image Map, Villa Grove Quadrangle, Douglas County, Illinois
Digital Orthophoto Image Map, Villa Grove Quadrangle, Douglas County, Illinois
Luman, Donald E.; Hansel, Ardith K.; Map compilation, Abert, Curtis C.; Map compilation, Carrillo, Pamella K.

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 Catalog of Devonian and deeper tests in southern Illinois
Catalog of Devonian and deeper tests in southern Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.