No current usage.
(†Southward Bridge Formation (AL,MS) replaced with Sandfall and Mynot Members of Pride Mountain Formation. See Sandfall and Mynot.)
Middle Mississippian (Visean; early Chesterian)
Southward Bridge, near old village of Mingo, at confluence of Bear Creek and Cedar Creek Valleys, Tishomingo Co., northeastern MS (Morse, 1930).
Black Warrior 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 ([ ]).