University of Illinois Urbana-Champaign

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Showing 511–540 of 5,858 items
Thumbnail for Illinois mineral industry in 1941
Illinois mineral industry in 1941
Voskuil, Walter Henry; Stevens, Douglas F.; Oliver, G.N.

Thumbnail for Mississippian stratotypes
Mississippian stratotypes
Collinson, Charles; Baxter, James W.; Norby, R.D.; Lane, H.R.; Brenckle, Paul D.

Thumbnail for Community Infrastructure Use Cases, version 2.1
Community Infrastructure Use Cases, version 2.1
Liming, R. Lee; Navarro, John-Paul

Thumbnail for Ground-water development in several areas of Northeastern Illinois
Ground-water development in several areas of Northeastern Illinois
Prickett, Thomas Alvin; Hoover, L.R.; Baker, William H.; Sasman, Robert T.

Thumbnail for The geology of Hardin County, and the adjoining part of Pope County.
The geology of Hardin County, and the adjoining part of Pope County.
Weller, Stuart; Butts, Charles; Currier, Louis W.; Salisbury, Rollin D.

Thumbnail for Illinois mineral industry in 1943
Illinois mineral industry in 1943
Voskuil, Walter Henry; Stevens, Douglas F.