@book {11670,
	title = {Trails for America: Report on the Nationwide Trails Study},
	year = {1966},
	pages = {155},
	publisher = {U. S. Department of the Interior, Bureau of Outdoor Recreation},
	organization = {U. S. Department of the Interior, Bureau of Outdoor Recreation},
	keywords = {Appalachian Trail, Conservation -- Government regulations, Hiking, Trails},
	author = {U. S. Department of the Interior and Ogden, Daniel M and Pyles, Hamilton K and Swem, Theodore L and Holmes, Eldon F}
}
