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Nodvin, Stephen C., Julie S. Rigell, and Susan M. Twigg. An Indexed Reference Database of the Great Smoky Mountains, North Carolina and Tennessee. Knonxville, TN: National Park Service-Cooperative Park Studies Unit, Dept. of Forestry, Wildlife and Fisheries, University of Tennessee, 2013.
Nodvin, Stephen C., Julie S. Rigell, and Susan M. Twigg. An Indexed Reference Database of the Great Smoky Mountains, North Carolina and Tennessee. Denver Service Center, National Park Service, 1993.