Ladrones Limestone (AK*)
Pennsylvanian, Early*
Pennsylvanian, Middle*
Exposures on Ladrones Islands between Bucareli and Trocadero Bays [Lat. 55 deg. 20 min. N., Long. 133 deg. 05 min. W.], AK (Eberlein and Churkin, 1970).
Alaska Southeastern 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 ([ ]).