No current usage.
(†Columbia Ford Limestone (KS) considered abandoned. Probably same as Wakarusa Limestone. See Wakarusa.)
Pennsylvanian
Origin of name not stated by author (Wooster, 1905).
Nemaha anticline
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 ([ ]).