Leithsville Formation (PA*,NJ*)
Leithsville Formation of Kittatinny Supergroup (PA*,NJ*)
Leithsville Member of Kittatinny Limestone (NJ)
Califon, Hamburg, and Wallkill Members (NJ)
Not designated. Origin of name not stated by author, but probably named from town of Leithsville, Northampton Co., eastern PA (Wherry, 1909).
Piedmont-Blue Ridge 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 ([ ]).