No current usage.
(†Heydlauff Sandstone (ID) is synonym of Hudspeth Cutoff Formation and Indian Fork Formation. See Hudspeth Cutoff and Indian Fork.)
early Permian (Leonardian)
Type section: NE/4 sec. 1 and 2, T. 13 S., R. 30 E. Well exposed on dividing ridge between Heydlauff and Saeger Canyons, east flank of Sublett Range, Oneida Co., ID (Cramer, 1971).
Great Basin province
Snake 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 ([ ]).