University of Illinois Urbana-Champaign

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Showing 991–1020 of 1,894 items
Thumbnail for Petroleum industry in Illinois, 1959
Petroleum industry in Illinois, 1959
Bell, Alfred Hannam; Mast, Richard F.; Oros, Margaret O.; Sherman, Carl W.; Van Den Berg, Jacob

Thumbnail for A Biological Survey and Assessment of the Little Vermilion River State Natural Area,
            Vermilion County, Illinois
A Biological Survey and Assessment of the Little Vermilion River State Natural Area, Vermilion County, Illinois
Phillips, Christopher A.; Handel, William C.; Hofmann, Joyce E.; Amundsen, Steven B.

Thumbnail for Annual Report 1971-72
Annual Report 1971-72
Gutowsky, H.S.

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 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