No current usage.
(Rocks of †Bigelow Formation, or †Bigelow Limestone, of Council Grove Group (KS,NE) reallocated to Crouse Limestone, Blue Rapids Shale, and Funston Limestone. See Crouse, Blue Rapids, and Funston.)
Crouse Limestone, Blue Rapids Shale, Funston Limestone Members.
early Permian (Wolfcampian)
Named from Bigelow, Marshall Co., northeastern KS (Jewett, 1941).
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 ([ ]).