Better yet, There is an ancient native canoe trading route from the Lake Superior to Hudson bay in the summer. When the fur traders first started to use this the natives told them that it had been there forever and that they were not the first white people who had come there to use it. This would have absolutely been viable and available to the Vikings too.
I have personally followed this route using Google Earth to confirm.
http://frontierbushcraft.com/expeditions/missinaibi-river-canoe/
They found a ship wreck in the med that had copper so pure that the only place that it could have come from is the Keweenaw area of the world. To this day, one can go rock out and find copper samples that are over 97% pure copper. Hell, you can go to any tourist trap and buy cooper rock samples for paper weights that have been cut in half.
The argument continues to this day? Who the hell was up there mining this stuff during the bronze age? They have indicated over 5000 ancient mining sites along the shores of the Keweenaw and Isle Royal.
The point is..this so called “expert” claims the Vikings could not have traveled up there because there was no lakes. The SOB should be taken out and shot for pure ignorance. Those lakes formed and filled by abt 10000 BC. If they had not, then that float copper would NOT have been deposited by the glaciers by then for those ancient miners to collect around the bronze age.
I hate these attention whores!!!!