Mount Copleston Limestone (AK*)
Early Devonian*
Type section: north-trending ridge, in SW/4 sec. 17, T. 2 N., R. 2 E., Lat. 69 deg. 31.5 min. N., Long. 145 deg. 35.2 min. W., Mount Michelson C-3 quadrangle (scale 1:63,360), northern AK (Blodgett and others, 1992).
Alaska Northern 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 ([ ]).