IODP SEDIS - Thesaurus -

Cody Shale
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Cody Shale
RT	Wyoming
	Montana Group
	Belle Fourche Shale
	Colorado Group
SN	In Colorado Group or Montana Group. Bighorn Basin in N Wyoming.