@article {30254,
	title = {Widespread late glacial and postglacial tephra deposits from Mount St. Helens volcano, Washington},
	volume = {3},
	year = {1975},
	pages = {329-335},
	publisher = {Journal of Research of the United States Geological Survey},
	url = {http://www.sciencedirect.com/science?_ob=MImg\&_imagekey=B6VDW-4VTCM7G-1-1\&_cdi=5993\&_user=1067473\&_orig=search\&_coverDate=03\%2F11\%2F2009\&_sk=999999999\&view=c\&wchp=dGLzVtz-zSkWA\&md5=b3b45abd5ba259d6122a4ab6d36d4ba1\&ie=/sdarticle.pdf},
	author = {Mullineaux, D. R. and Hyde, J. H. and Rubin, M.}
}
