Cow Creek Sandstone Member of Steele Shale (WY*)
Late Cretaceous (Campanian)*
Not designated. Present in subsurface. Named from Sohio Oil Company Cow Creek Unit No. 1 well, in sec. 12, T. 16 N., R. 92 W., Carbon Co., WY (Hale, 1961).
Green River 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 ([ ]).