Interesting reading in fact. I have coursed the Northern Meadows of Newfoundland, and they are a lot more hospitable than Greenland or Iceland.
But the last 20 years of solar driven warming shows us that the medieval warming period may have put the Vikings into contact with native Canadians a long time ago.There are also oral tradition legends about blond haired , blue eyed native Canadians.
There is also the historical record...
When Lewis & Clark wintered in North Dakota, they were hosted by blond haired, blue-eyed Mandan "indians".
I suspect this particular remnant would be associated with Minnesota's Kensington Runestone, but they likely would've originated in Greenland or Newfoundland.
Some years ago, I visited the Three Rivers Petroglyphs in New Mexico -- between Carrizozo and Tularosa, at the foot of the Sacramento Mtns overlooking the Tularosa Basin.
The site is a jumble of igneous rocks and boulders, generally about 3-5 ft high. The petroglyphs themselves are in profusion, but faded and somewhat indistinct -- to see them well, you really have to let your eyes adjust.
At one point, I sat down to rest in the shade of one boulder and looked at the boulders opposite that were highlighted by direct sun.
Suddenly, the faint forms fell into sharp focus. And one of the glyphs that stood out was a Viking ship in profile -- the high prow and stern, the square sail, the row of round shields along the gunwales.
The Three Rivers petroglyphs reportedly date to 1000-1400 AD. How did such an accurate depicition of a Viking ship appear in Southern New Mexico during this period if someone hadn't actually seen one?