University of Illinois Urbana-Champaign

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Showing 31–60 of 326 items
Thumbnail for The Sangamon arch
The Sangamon arch
Whiting, Lester Leroy; Stevenson, David Lloyd

Thumbnail for Vanadium in Devonian, Silurian, and Ordovician crude oils of Illinois
Vanadium in Devonian, Silurian, and Ordovician crude oils of Illinois
Mast, Richard F.; Ruch, Rodney R.; Meents, Wayne Franklin

Thumbnail for Oil investigations in Illinois in 1916, under direction of Fred H. Kay.
Oil investigations in Illinois in 1916, under direction of Fred H. Kay.
Illinois State Geological Survey; Kay, Fred Hall; Brokaw, Albert Dudley; St. Clair, Stuart; Butts, Charles

Thumbnail for The Dupo oil field
The Dupo oil field
Bell, Alfred Hannam

Thumbnail for Secondary recovery of oil in Illinois
Secondary recovery of oil in Illinois
Bell, Alfred Hannam; Squires, Frederick; Cohee, George Vincent