University of Illinois Urbana-Champaign

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Showing 1231–1260 of 54,232 items
Thumbnail for Atmospheric Environment of the Lake Michigan Drainage Basin
Atmospheric Environment of the Lake Michigan Drainage Basin
Gatz, Donald F.; Changnon, Stanley A., Jr.

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 Sulfur reduction of Illinois coals--washability studies
Sulfur reduction of Illinois coals--washability studies
Helfinstine, Roy John; Shimp, N.F.; Simon, J.A.; Hopkins, M.E.

Thumbnail for Combustion Efficiencies As Related To Performance Of Domestic Heating Plants
Combustion Efficiencies As Related To Performance Of Domestic Heating Plants
Kratz, Alonzo P.; Konzo, Seichi; Thomson, Daniel W.

Thumbnail for Oil and gas development in Illinois in 1942
Oil and gas development in Illinois in 1942
Bell, Alfred Hannam; Carter, Charles William

Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.