University of Illinois Urbana-Champaign

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Showing 1021–1050 of 4,889 items
Thumbnail for Sinkhole distribution and density of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois
Sinkhole distribution and density of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois
Panno, Samuel V.; Angel, Julie C.; Nelson, Dan O.; Weibel, C. Pius; Luman, Donald E.

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