A distantly related study, is one of the Fusang explorations by Chinese Buddhists Monks in {or around} 499 CE. There is significant evidence that these ancient mariners reach and examined what is know the West coast of America {California and Oregon} and some assorted information that they might have jumped along the coast as far as Peru....wikipedia's entry Fusang - Wikipedia, the free encyclopedia and Charles G. Leland's 1875 classic Fusang Index ....and Dr. Paul Mandala's commentary and research on assorted items within Quests of the Dragon and Bird Clan: Fusang (Glossary) Of course, there is quite a diverse assortment of sources to be found out there....this is but a snapshot.