sentences:  The stone and its surrounding land became a California state landmark in 1956, and sometime thereafter a vandal added a counter-clockwise swastika to one corner of the carving.This is not the same swastika that the Nazis in Germany appropriated after WWI; the Nazis used the clockwise version of the swastika.Swastikas were used in Oriental and Native American art long before the symbol became associated with Adolf Hitler.The stone is now protected by a pair of chain-link fences.