East Berlin Formation of Newark Supergroup (CT*,MA*)
East Berlin Formation of Meriden Group (CT)
Roadcuts on CT Highway 72, northeast of Berlin and west of the village of East Berlin, Middletown quadrangle, Hartford Co., CT (Sanders, 1968).
New England province*
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Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).