Usage:
Sacagawea Ridge Till (CO*,WY*)
Sacagawea Ridge glaciation (informal)*
For informal usage, the rank or lithologic term should not be capitalized.
Geologic age:
Quaternary (Pleistocene)*
Type section, locality, area and/or origin of name:
Type section: Sacagawea Ridge on north side of Upper Dinwoody Lake, in center sec. 31, T. 5 N., R. 5 W., [north flank of Wind River Mountains], Fremont Co., WY (Richmond, 1962).
AAPG geologic province:
Wind 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 ([ ]).