University of Illinois Urbana-Champaign

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Showing 451–480 of 2,134 items
Thumbnail for Mineral production in Illinois in 1954
Mineral production in Illinois in 1954
Voskuil, Walter Henry; Busch, Willis L.

Thumbnail for Petroleum industry in Illinois in 1955.
Petroleum industry in Illinois in 1955.
Bell, Alfred Hannam; Kline, Virginia Harriet; Witherspoon Jr., Paul Adams; Pierre, Donald A.

Thumbnail for Big Muddy River area assessment
Big Muddy River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Illinois Water and Climate Summary, 2008
Illinois Water and Climate Summary, 2008
Water and Atmospheric Resource Monitoring Program

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

Thumbnail for Present methods of beef production. I
Present methods of beef production. I
Mumford, Herbert Windsor; Hall, Louis Dixon

Thumbnail for Geochemistry of Fluorine in Illinois Soils
Geochemistry of Fluorine in Illinois Soils
Omueti, John Ajayi Izegaegbe

Thumbnail for Types of farming in Illinois : an analysis of differences by areas
Types of farming in Illinois : an analysis of differences by areas
Case, Harold Clayton M.; Myers, Kenneth Hayes

Thumbnail for The Leguminosae of Illinois. 22
The Leguminosae of Illinois. 22
Gambill, William Gray