Introduction
These are photos taken September 16, 2005 at the Devil's Postpile National Monument near Mammoth, CA. The Postpile is a geologic formation of 6-sided basalt columns.
Copyright 2005, Gerald W. Seifert
These are photos taken September 16, 2005 at the Devil's Postpile National Monument near Mammoth, CA. The Postpile is a geologic formation of 6-sided basalt columns.
Copyright 2005, Gerald W. Seifert
