University of Illinois Urbana-Champaign

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Showing 4441–4470 of 9,609 items
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 Groundwater contamination in karst terrain of southwestern Illinois
Groundwater contamination in karst terrain of southwestern Illinois
Panno, S.V.; Krapac, I.G.; Weibel, C.P.; Bade, J.D.