University of Illinois Urbana-Champaign

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Showing 8881–8910 of 13,931 items
Thumbnail for Illinois mineral industry in 1942
Illinois mineral industry in 1942
Voskuil, Walter Henry; Stevens, Douglas F.

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