@book{28530,
	author = {Nixon, Earl K.,},
	title = {The Cheyenne sandstone of Barber, Comanche, and Kiowa Counties, Kansas, as raw material for glass manufacture /},
	publisher = {University of Kansas Publications,},
	year = {1950.},
	series = {Kansas. State Geological Survey. Bulletin},
	address = {Lawrence :},
	note = {1950 Reports of studies, part 3, Oct. 30, 1950.}
}