No current usage.
(†Ashland limestone member of Braddyville Formation (NE) replaced with †Weeping Water limestone, which later was shown to be a synonym of Toronto Limestone Member of Oread Formation of Shawnee Group. See Toronto.)
Pennsylvanian
Named from town of Ashland, Saunders Co., southeastern NE (Condra and Bengtson, 1915).
Salina 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 ([ ]).