No current usage.
(†/Cottonwood Shales of Council Grove Group (KS) replaced with Florena Shale Member of †Garrison Formation [now Beattie Limestone]. See Florena.)
[Conflicts with Cottonwood Limestone of Haworth and Kirk (1894) in same area.]
early Permian (Wolfcampian)
Notable exposures in Cottonwood Valley, Chase and Lyon Cos., and at Manhattan and vicinity, Riley Co., eastern KS (Prosser, 1894).
Forest City basin
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 ([ ]).