University of Illinois Urbana-Champaign

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Showing 31–60 of 5,302 items
Thumbnail for Identification of Large Grassland Ecosystems in Illinois
Identification of Large Grassland Ecosystems in Illinois
McKinney, Lloyd B.; Joselyn, Mark G.; Aycrigg, Jocelyn L.; Brown, Patrick W.

Thumbnail for The analysis of coal with phenol as a solvent
The analysis of coal with phenol as a solvent
Parr, Samuel Wilson; Hadley, Harry Fielding

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

Thumbnail for Combustion tests with Illinois coals
Combustion tests with Illinois coals
Kratz, Alonzo Plumsted; Woodruff, Wilbur John

Thumbnail for Unit coal and the composition of coal ash
Unit coal and the composition of coal ash
Parr, Samuel Wilson; Wheeler, Wilfrid Forrest

Thumbnail for Expanding the Spatial Data Infrastructure Knowledge Base
Expanding the Spatial Data Infrastructure Knowledge Base
Budhathoki, Nama R.; Nedovic-Budic, Zorica