University of Illinois Urbana-Champaign

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Showing 5311–5340 of 15,454 items
Thumbnail for Public groundwater supplies in Stephenson county
Public groundwater supplies in Stephenson county
Woller, Dorothy M.; Kunz, Karen L.; Sanderson, Ellis W.

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 63rd Illinois Fire College Brochure
63rd Illinois Fire College Brochure
Illinois Fire Service Institute

Thumbnail for Oil investigations in 1917 and 1918
Oil investigations in 1917 and 1918
Illinois State Geological Survey; Barrett, Nellie Okla; Nebel, Merle Louis; Coryell, Horace Noble; Tough, Fred H.; Williston, Samuel H.; Savage, Thomas Edmund