Jeffersonville Limestone (IN*,KY*)
Jeffersonville Limestone of Muscatatuck Group (IN)
Dutch Creek Sandstone Member (IN,KY), Geneva Dolomite Member (IN,KY), Vernon Fork Member (IN,KY)
late Early to early Middle Devonian (Emsian to Eifelian)*
Falls of the Ohio at Jeffersonville, Carter Co., IN (Kindle, 1899).
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 ([ ]).