No current usage.
(†Curlew Sandstone (IL,KY) considered abandoned. Replaced with Granger Sandstone Member of †Spoon Formation [now Tradewater Formation]. See Granger.)
Pennsylvanian
Type locality not stated. Apparently named from Curlew, Union Co., western KY (Owen, 1956).
Illinois 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 ([ ]).