@article {5131,
	title = {Reducing Pollution at National Parks: Colorado State University Scientists Demonstrate Significant Improvements in Air Quality, Visibility},
	journal = {Department of Public Relations News \& Information},
	volume = {2013},
	number = {April 3},
	year = {2013},
	note = {Illustration},
	month = {March 7, 2013},
	publisher = {Colorado State University},
	keywords = {Air pollution, Air quality, Visibility},
	url = {http://www.news.colostate.edu/Release/6715},
	author = {Wilmsen, Emily Narvaes}
}
