Horseshoe Bend Formation (CA*)
Permian(?)*
Type section: roadcuts along Little North Fork of Middle Fork of Feather River, in secs. 1, 12 and 13, T. 22 N., R. 26 E., Pulga 15-min quadrangle, Plumas and Butte Cos., CA (Hietanen, 1973).
Sierra Nevada province*
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 ([ ]).