Scherr Formation (WV*,PA*,VA*)
Scherr Formation of Greenland Gap Group (WV,MD,PA)
Scherr Formation of Chemung Group (WV)
Minnehaha Springs Member (MD,PA,WV)
Late Devonian*
Type section: along WV Highway 42, Lat. 39 deg. 11 min. 45 sec. N., Long. 79 deg. 10 min. 48 sec. W., Grant Co., east-central WV (Dennison, 1970).
Appalachian basin*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).