@book {7424,
	title = {Guidelines: Appalachian Trail : National Scenic Trail, Maine to Georgia},
	year = {1971},
	publisher = {U. S. Department of the Interior, National Park Service },
	organization = {U. S. Department of the Interior, National Park Service },
	address = {Washington, DC},
	keywords = {Appalachian Trail, Conservation -- Trails, Hiking}
}
