IODP SEDIS - Thesaurus -

Clough Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Silurian
	....Lower Silurian
	.....Clough Formation
RT	Vermont
	Massachusetts
	New Hampshire
SN	N central Massachusetts, W New Hampshire and SE Vermont. Added to Thesaurus in 1989.