University of Illinois Urbana-Champaign

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Showing 1–30 of 1,027 items
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 ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Directory of Illinois mineral producers, and maps of extraction sites 1997
Directory of Illinois mineral producers, and maps of extraction sites 1997
Masters, John M.; Ipe, Viju C.; Smith, Lisa R.; Falter, Michael

Thumbnail for Potential surface water reservoirs of Northern Illinois
Potential surface water reservoirs of Northern Illinois
Dawes, Julius Henry; Terstriep, Michael Lee