@book{63540,
	author = {Condon, Steven M.},
	title = {Geologic framework of pre-cretaceous rocks in the Southern Ute Indian Reservation and adjacent areas, southwestern Colorado and northwestern New Mexico},
	publisher = {Govt. Print. Off.},
	year = {1992.},
	series = {U.S. Geological Survey professional paper},
	address = {Washington}
}