Fitch Formation (ME*,MA*,NH*,VT)
Fitch Formation of Bolton Group (CT*)
Late Silurian to Early Devonian*
Named from G.E. Fitch Farm, 2 miles northwest of Littleton, Grafton Co., NH (Billings and Cleaves, 1933).
New England province*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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 ([ ]).