@article {12217,
	title = {Studies in the Great Smoky Mountains National Park},
	year = {1999},
	note = {USGS Fact Sheet 044-99},
	month = {December},
	pages = {4},
	publisher = {U. S. Department of the Interior},
	abstract = {This four-page brochure describes several research projects being conducted by the USGS and National Park Service, including soil acidification, amphibians, mussels, fish, coal, earthquakes, water, and karst.},
	keywords = {Acid rain, Amphibians, Coal mining, Fishes, Geology, Mussels, Tennessee Valley Authority, Watersheds},
	url = {http://pubs.usgs.gov/fs/FS-044-99/pdf/fs-044-99.pdf},
	author = {U. S. Geological Survey}
}
@article {6212,
	title = {A Comparative Study of Late Prehistoric and Modern Molluscan Faunas of the Little Pigeon River System, Tennessee},
	journal = {American Malacological Bulletin},
	volume = {6},
	year = {1988},
	pages = {165-178},
	keywords = {Archaeology, Little Pigeon River, Mussels, Sevier County, Slugs and snails},
	author = {Parmalee, Paul W}
}
