University of Illinois Urbana-Champaign

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Showing 181–210 of 732 items
Thumbnail for Mineralogical and chemical composition of inorganic matter from marketed Illinois coals
Mineralogical and chemical composition of inorganic matter from marketed Illinois coals
Demir, Ilham; Hughes, Randall E.; DeMaris, Philip J.; Ruch, Rodney R.

Thumbnail for Investigation of warm-air furnaces and heating systems
Investigation of warm-air furnaces and heating systems
Willard, Arthur Cutts; Kratz, Alonzo Plumsted; Day, Vincent Stephen

Thumbnail for Year-book for 1907.
Year-book for 1907.
Illinois State Geological Survey

Thumbnail for Year-book for 1909
Year-book for 1909
Illinois State Geological Survey

Thumbnail for The weathering of coal
The weathering of coal
Parr, Samuel Wilson; Hamilton, Nain Delf

Thumbnail for Illinois Technograph v. 036 (1923-1924)
Illinois Technograph v. 036 (1923-1924)
Submitter: Timothy Donohue

Thumbnail for Illinois Technograph v. 033 (1920-1921)
Illinois Technograph v. 033 (1920-1921)
Submitter: Timothy Donohue