25. Physiographic characterization of natural area: 



Climax beech community on mesic islands in the southern 

 half of the Great Dismal Swamp, in the Embayed Section 

 of the Coastal Plain Province of the Atlantic Plain. 



Geological formation: Unnamed local formation, of limited 

 extent, on Pleistocene deposits of unknown stratigraphy, over the 

 Yorktown Formation. 



Geological formation age: Late Sangamon or Wisconsin (see 

 prose description of site for discussion) . 



References cited: Oaks, R. Q., and D. R. Whitehead. 1979. 

 Geologic setting and origin of the Dismal Swamp, southeastern 

 Virginia and northeastern North Carolina. In: P. W. Kirk, Jr., 

 ed. The Great Dismal Swamp. Charlottesville: Univ. of Virginia 

 Press. 427 p. 



Oaks, R. Q., JR. and N. K. Coch. 1963. Pleistocene sea levels, 

 southeastern Virginia. Science 140:979-983. 



Daniels, R. B. , E. E. Gamble and W. H. Wheeler. 1978. Age of 

 soil landscapes in the Coastal Plain of North Carolina. Soil 

 Sci. Soc. Am, J. 42:98-105. 



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