National Geographic Maps, U.S. Geological Survey, and National Park Service. Great Smoky Mountains National Park, Tennessee/North Carolina, USA, Trails Illustrated Map: Appalachian Trail, Benton MacKaye Trail, Mountains-to-Sea Trail, Backcountry campsites, Waterfall Viewing Chart, Trail Mileages. Rev. 2007 ed. Evergreen, Colorado: National Geographic Maps, 2007.