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IL I. Cranberry Slough Nature Preserve. Acreage: 400. 



Location: Cook County; Palos Park Quadrangle; W of Mannheim Road (U.S. 

 45) and S of 95th Street. 



Description: The only quaking bog in Cook County. Cranberry and purple 

 chokeberry are present. Inhabited by beaver. 



Data source: George B. Fell, Illinois Nature Preserve Commission, 819 North 

 Main St., Rockford, 111. 61 103. 



Other knowledgeable persons: Roland F. Eisenbeis, Forest Preserve District of 

 Cook County, River Forest, III. 60305; Ray Schulenberg, Morton Arboretum, 

 Lisle, 111. 60532. 



