@book{218637,
	author = {United States},
	title = {Hopewell Village National Historic Site, Pennsylvania (now Hopewell Furnace)},
	publisher = {National Park Service},
	year = {1954},
	address = {Washington},
	note = {Title from title screen (viewed on Apr. 24, 2006)},
	url = {http://purl.access.gpo.gov/GPO/LPS69186}
}