University of Illinois Urbana-Champaign

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Showing 571–600 of 3,532 items
Thumbnail for Annual newsletter / 194958
Annual newsletter / 194958
University of Illinois at Urbana-Champaign. Deptartment of Geology

Thumbnail for Illinois mineral industry in 1945
Illinois mineral industry in 1945
Voskuil, Walter Henry; Stevens, Douglas F.; Hamrick, Nina T.

Thumbnail for The Petrology of Underclays
The Petrology of Underclays
Schultz, Leonard Gene

Thumbnail for Directory of Illinois mineral producers, and maps of extraction sites
Directory of Illinois mineral producers, and maps of extraction sites
Miao, Xiaodong; Lasemi, Zakaria; Mikulic, Donald G.; Falter, Michael

Thumbnail for Abundance and recovery of sphalerite and fine coal from mine waste in Illinois
Abundance and recovery of sphalerite and fine coal from mine waste in Illinois
Cobb, James C.; Masters, John M.; Treworgy, Colin G.; Helfinstine, Roy John

Thumbnail for Lower Rock River area assessment
Lower Rock River area assessment
Submitter: Steven Mccauley