@book{26801,
	author = {Wanless, Harold R.},
	title = {Geology and mineral resources of the Alexis quadrangle,},
	publisher = {Printed by authority of the state of Illinois [Springfield, Jeffersons printing & stationery co.]},
	year = {1929.},
	series = {Illinois. State geological survey. Bulletin},
	address = {Urbana,},
	note = {At head of title: State of Illinois. Department of registration and education. Division of the State geological survey.}
}