IODP SEDIS - Thesaurus -

Edwards Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Lower Cretaceous
	.....Edwards Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Comanchean
	.....Edwards Formation
RT	Texas
	Fredericksburg Group
SN	Overlies Walnut Clay and underlies Georgetown Limestone of Washita Group. In S Texas. This term has multiple hierarchies.