No current usage.
(†Locust Point Formation of Borden Group (IN*) replaced with Spickert Knob Formation of Borden Group. See Spickert Knob.)
Mississippian, Early*
Osagean*
Locust Point on Ohio River bluff, south [of?] center sec. 12, T. 4 S., R. 5 E., 1 mi south of Floyd-Harrison Co. line, and nearby Locust Point Post Office, IN (Stockdale, 1931).
Cincinnati arch*
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 ([ ]).