Read up on Canadian Papers on Labrador settlements. I am not in the Americas or I would be researching the elder's of the Iroquois Nations and their earliest stories of white peopled ships from the north and east. There were Viking raids in the 12 century on east coast of England and the Legendary Arthur fought not just Saxons from across the Narrows but Norse from the Scottish coasts, so with a seven hundred year exodus, northmen will probably been more frequent in the Americas than so far accepted. I haven't had opportunity but I would like to hear more records of drilled cores of 'ice giants' glaciers. It might prove very interesting to see the cycles of warmer and colder summers. Both prey and predators increase their breeding in years better for food - how did the animals know? - and was there a marked change in living conditions for man according to those years.??