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Illinois River Bluffs area assessment

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By: Illinois. Dept. of Natural Resources. Office of Scientific Research and Analysis. - Critical Trends Assessment Project. - Illinois State Geological Survey. - Illinois. Dept. of Natural Resources.

Publication info: Springfield, Ill, Illinois Dept. of Natural Resources, 1998-

Holding Institution: University Library, University of Illinois Urbana Champaign

Subjects: Illinois Illinois River Watershed Illinois River Watershed (Ill.) Natural resources conservation areas Natural resources surveys