Thomas, D., and Anthony R. Khiel. Soil Survey of Great Smoky Mountains National Park, Tennessee and North Carolina. United States Department of Agriculture and Natural Resources Conservation Service, 2009.

Khiel, Anthony R.. Soil Information and Description of Soils: Ravensford Area of the GRSM NP. United States Department of Agriculture and Natural Resources Conservation Service, 2001.

Khiel, Anthony R.. "Comprehensive Soil Survey Underway in the Park." ATBI Quarterly 1, no. 1 (2000): 8.