Crescent Formation (WA*)
Tertiary
Eocene, early(?)*
Eocene, middle*
Eocene, late(?)*
West end of Crescent Bay, on each shore of Strait of Juan de Fuca, Clallam Co., WA (Brown and others, 1960).
Olympic Mountains province*
Oregon-Washington Coast Ranges 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 ([ ]).