@article {11527,
	title = {National Parks Under Pressure},
	journal = {CQ Researcher},
	volume = {16},
	year = {2006},
	month = {October 6},
	pages = {818-840},
	publisher = {Congressional Quarterly, Inc.},
	keywords = {Conservation, Ecology, Economy, History, Recreation management},
	author = {Arrandale, Tom}
}
