@book{192210,
	author = {Groschen, G. E. and Geological Survey (U.S.)  },
	title = {Water quality in the upper Illinois River Basin, Illinois, Indiana, and Wisconsin, 1999-2001},
	publisher = {U.S. Department of the Interior, U.S. Geological Survey},
	year = {2004.},
	series = {Circular},
	address = {Reston, Va},
	note = {Shipping list no.: 2004-0174-P.},
	url = {http://purl.access.gpo.gov/GPO/LPS49629}
}