

CO 



O 



z 



IL 3. Grantsburg Swamp. Acreage: About 2000. 



Location: Johnson County; Brownfield Quadrangle; 1 mile E of Grantsburg; 

 reached via Rt. 146. 



Description: A very beautiful cypress swamp dissected by State Highway 146 

 from which it may be observed. Plants and animals are typical of cypress 

 swamps in southern Illinois. 



Encroachments: There exists the possibility of drainage and draining the swamp 

 to reduce mosquito populations. 



Ownership: Federal, USFS. 



Data source: Robert A. Evers, Illinois Natural History Survey, Urbana, III. 

 61801. 



Other knowledgeable persons: Mr. John Schwegman, Department of Botany, 

 Southern Illinois University, Carbondale, III. 62901. 



