IODP SEDIS - Thesaurus -

Marcellus Shale
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Devonian
	....Middle Devonian
	.....Marcellus Shale
RT	Virginia
	Ohio
	Pennsylvania
	New York
	Maryland
	West Virginia
	New Jersey
	Hamilton Group
SN	In Hamilton Group. Added to Thesaurus in 1985.