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The above strongly suggests that before the Younger Dryas, the North geographic pole was located around Hudson Bay, which is about 60ยฐ North - that is; 30 degrees in latitude away from the current North pole.
But the peculiar Laurentide ice sheet is not the only evidence we have. The study of fossils provides a very good idea of what kind of plants and animals lived in different locations of the planet right before the Younger Dryas. This research tends to confirm that, at the end of the Pleistocene, the North pole was located in Hudson Bay.
Indeed, before the Younger Dryas, the Arctic Ocean was a temperate ocean (as indicated by the presence of Foramainifera in sea cores), Siberia was a temperate region (as indicated by human remains, entire forests and temperate flora), and Japan was warmer than today (as indicated by flora that grows in temperate climate and by the corals of Okinawa).
These earthworks, together with a buried, mound-like feature with unique soil properties unlike any of the known earthworks at the site, demonstrate that the Plaza at Poverty Point has a more elaborate construction history than we knew.Poverty Point World Heritage Site is slowly revealing her secrets.
Diana Greenlee, Ph.D.
Comment: It brings to mind a reference Graham Hancock makes in his book America Before that in the Amazon rainforest food crops like the Brazil nut and the ice cream bean tree are in such abundance when compared to other species of plant that researchers believe that they must have been intentionally cultivated: