Richland Formation of Conococheague Group (PA*)
Richland Member of Conococheague Formation (PA)
Along Reading RR, about 0.25 mile east of Richland and along road immediately west of Sheridan, Lebanon Co., PA (Gray and others, 1958).
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 ([ ]).