No current usage.
(†Longs Peak-St. Vrain Granite (CO-recognized locally in Camp Albion area) considered invalid.)
Precambrian
Notable exposures at Camp Albion, Bouder Co., central northern CO (Wahlstrom, 1940).
Southern Rocky Mountain region
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 ([ ]).