University of Illinois Urbana-Champaign

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Showing 691–720 of 1,430 items
Thumbnail for Engineering index properties of some surficial soils in Illinois
Engineering index properties of some surficial soils in Illinois
Liu, Thomas Kuan-hsien; Thornburn, Thomas Hampton

Thumbnail for Illinois mineral industry in 1941
Illinois mineral industry in 1941
Voskuil, Walter Henry; Stevens, Douglas F.; Oliver, G.N.