IODP SEDIS - Thesaurus -

Hanna Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Paleogene
	....Hanna Formation
RT	Paleocene
	Eocene
	Wyoming
	Hanna Basin
SN	S central Wyoming. Indexed with ages as applicable. Added to Thesaurus in 1989.