IODP SEDIS - Thesaurus -

Beekmantown Group
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Ordovician
	....Lower Ordovician
	.....Beekmantown Group
RT	Ontario
	Quebec
	Virginia
	Pennsylvania
	Vermont
	New York
	Maryland
	Tennessee
	Rose Run Sandstone
SN	From SE Canada to Virginia. Added to Thesaurus in 1985.