@article {12363,
	title = {Breathe it in},
	journal = {National Parks},
	volume = {85},
	year = {2011},
	month = {Summer},
	pages = {10-11},
	keywords = {Air pollution, Air quality, Pollution, Tennessee Valley Authority},
	url = {http://books.google.com/books?id=Fp69CK2ItOYC\&amp;lpg=PT4\&amp;vq=smoky\&amp;pg=PT11$\#$v=onepage\&amp;q\&amp;f=false},
	author = {Kirkwood, Scott}
}
