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National Park Service. Appalachian National Scenic Trail: Proposed Route In Federal Register, Edited by Department of the Interior,. Vol. 36. Washington D.C.: GPO, 1971.
Guidelines: Appalachian Trail : National Scenic Trail, Maine to Georgia. Washington, DC: U. S. Department of the Interior, National Park Service , 1971.
Transportation Concepts: Great Smoky Mountains National Park. Washington, D.C.: National Park Service, 1971.
National Park Service. Interpretive Prospectus for Cataloochee Interpretive Unit, Great Smoky Mountains National Park In General Interpretive Prospectus. U.S. Department of Interior, National Park Service , 1970.