In a message dated 10/12/2009 4:26:54 P.M. Eastern Daylight Time, gonegolfingsc@bellsouth.net writes: I have heard that there were NA's here in the general area of what is the USA presently and possibly further North. With the coming Ice Age from Northward, they continued migrating South through what is now Mexico until living was possible. Then at the time of the big melt, from South to North, migration took place once again back to areas they came from. Comments? Apparently, the anthropologists need more hard evidence before they can make a decision on any of the theories. Richard T.