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By: University of Illinois at Urbana-Champaign. Dept. of Landscape Architecture. - Corbin, Calvin C. - White, John - Illinois. Dept. of Conservation. - Illinois Natural Areas Inventory. - Natural Land Institute (Rockford, Ill.) - University of Illinois at Urbana-Champaign. Dept. of Landscape Architecture.Edition:Publication info: Urbana, Dept. of Landscape Architecture, University of Illinois and Natural Land Institute, 1978Volume: v.1 - v.2Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections: