@book{87749,
	author = {Abrams, Isabel S.},
	title = {The nature of Chicago /},
	publisher = {Chicago Review Press,},
	year = {1997.},
	address = {Chicago, Ill. :},
	note = {Comprehensive guide to natural sites in and around the city (T.p cover)},
	url = {http://www.loc.gov/catdir/enhancements/fy0668/96051835-d.html}
}