@book{211479,
	author = {Evans, Howard Ensign. and ebrary, Inc.},
	title = {The natural history of the Long Expedition to the Rocky Mountains (1819-1820)},
	publisher = {Oxford University Press,},
	year = {1997.},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10358300}
}