University of Illinois Urbana-Champaign

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Showing 1621–1650 of 5,814 items
Thumbnail for Washability tests of Illinois coals
Washability tests of Illinois coals
Callen, Alfred Copeland; Mitchell, David Ray

Thumbnail for Algal removal by alum coagulation
Algal removal by alum coagulation
Lin, S.D.; Evans, Ralph L.; Beuscher, D.B.

Thumbnail for The design and construction of a practical wireless telegraph station
The design and construction of a practical wireless telegraph station
Spurck, Robert Michael; Wheatlake, Burton Cyrenius Job

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