@book{219412,
	author = {United States},
	title = {Upper Mississippi River-Illinois Waterway Navigation System Study},
	publisher = {U.S. Army Corps of Engineers},
	year = {[1993]-},
	address = {Rock Island, IL},
	note = {Title from title screen (viewed 10/16/06)},
	url = {http://purl.access.gpo.gov/GPO/LPS74965}
}