@book {11659,
	title = {The National Parks: America{\textquoteright}s Best Idea},
	year = {2009},
	note = {Accompanies the PBS mini-series.},
	pages = {432},
	publisher = {Alfred A. Knopf},
	organization = {Alfred A. Knopf},
	keywords = {Appalachian Trail, Conservation, Economy, Park development, Tourism},
	author = {Duncan, Dayton and Burns, Ken}
}
