@book{196837,
	author = {Geological Survey (U.S.)   and Sarna-Wojcicki, Andrei M.},
	title = {Tephra layers of Blind Spring Valley and related upper Pliocene and Pleistocene tephra layers, California, Nevada, and Utah},
	publisher = {U.S. Dept. of the Interior, U.S. Geological Survey},
	year = {2005.},
	series = {Professional paper},
	address = {Denver, CO},
	note = {Shipping list no.: 2005-0136-P.},
	url = {http://pubs.usgs.gov/pp/pp1701/}
}