University of Illinois Urbana-Champaign

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Showing 6121–6150 of 7,221 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 Vulnerability of Illinois nature preserves to potential ground-water contamination volume I: methodology and initial assessment
Vulnerability of Illinois nature preserves to potential ground-water contamination volume I: methodology and initial assessment
Locke, Randall A., II; Berg, Richard C.; Wehrmann, H. Alan; Miller, Michael V.; Keefer, Donald A.; Mushrush, Mary J.