Hackett Sandstone Member of Hinton Formation (WV*)
Mississippian, Late*
Type locality: on ridge road between Hackett and Island Creeks, 1.6 mi northeast of Pettry, Mercer Co., southeastern WV (Reger, 1926).
Appalachian basin*
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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 ([ ]).