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Species Diversity and Composition in Old Growth and Second Growth Rich Coves of the Southern Appalachian Mountains." Castanea 74, no. 1 (2009): 27-38.
"Along the Blue Ridge Parkway. Englewood, CO: Westcliffe Publishers, 1997.
Potential Natural Landmarks of the Southern Blue Ridge Portion of the Appalachian Ranges Natural Region. National Park Service Office of Science and Technology, 1976.