IODP SEDIS - Thesaurus -

Wells Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Wells Formation
RT	Permian
	Pennsylvanian
	Idaho
	Utah
	Wyoming
SN	SE Idaho, N Utah and W Wyoming. Indexed with ages as applicable. Added to Thesaurus in 1989.