University of Illinois Urbana-Champaign

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Showing 1051–1080 of 8,602 items
Thumbnail for Vanadium efflorescence and its control by the use of fluorspar
Vanadium efflorescence and its control by the use of fluorspar
Deadmore, Daniel L.; Allen, A.W.; Machin, J.S.

Thumbnail for Illinois mineral industry in 1943
Illinois mineral industry in 1943
Voskuil, Walter Henry; Stevens, Douglas F.

Thumbnail for Geology for planning in De Witt County, Illinois
Geology for planning in De Witt County, Illinois
Hunt, Cathy S.; Kempton, John P.

Thumbnail for Physiography of the St. Louis area.
Physiography of the St. Louis area.
Fenneman, Nevin Melancthon

Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

Thumbnail for Geology of the fluorspar deposits of Illinois
Geology of the fluorspar deposits of Illinois
Weller, James Marvin; Grogan, Robert Mann; Tippie, Frank Emerson, joint author

Thumbnail for Mineral zonation of Woodfordian loesses of Illinois
Mineral zonation of Woodfordian loesses of Illinois
Frye, John Chapman; Glass, Herbert David; Willman, Harold Bowen

Thumbnail for Heat drying coals at moderate temperatures before coking
Heat drying coals at moderate temperatures before coking
Jackman, Harold Wesley; Helfinstine, Roy John

Thumbnail for Illinois mineral industry in 1945
Illinois mineral industry in 1945
Voskuil, Walter Henry; Stevens, Douglas F.; Hamrick, Nina T.