This chaptercontains a broad overview of some of the evidence specific to the Pacific coast of North America which has been gathered since ‘1421’ was published in 2002. The evidence is wide-ranging and covers many disciplines. These include genetic evidence; maps; shipwrecks; accounts of native peoples meeting foreign visitors; and the distribution of plants and animals.
Further reading:
Davis, Nancy Yaw. The Zuni Enigma. New York: Norton, 2002. – http://amzn.to/1hj1Fqg
Mertz, Henriette. Gods from the Far East: Two Ancient Records of Chinese Exploration in America. 1975; reprint, n.p.: Forgotten Books, 2008.
Mertz, Henriette Pale Ink. Self-published, 1953. http://amzn.to/GzAgoO
Needham, Joseph. Science and Civilization in China. 34 vols. Cambridge: Cambridge University Press, 1954–2008. http://www.nri.org.uk/