No current usage.
(†Einstine Sandstone (KS) [also spelled Einstein] considered obsolete. Probably is same as whole or part of Chanute Shale. See Chanute.)
Pennsylvanian
Origin of name not stated by authors (Swallow and Hawn, 1865).
Forest City 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 ([ ]).