University of Illinois Urbana-Champaign

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Showing 5341–5370 of 19,718 items
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 Economy of steel-trussed roofs
Economy of steel-trussed roofs
Ilg, George Martin Aloysius; Wagner, Robert Charles

Thumbnail for Effect of a Boundary on the Beam Plasma Instability
Effect of a Boundary on the Beam Plasma Instability
Evans, Kenneth, Jr.; Jackson, E. Atlee