Interesting. However I noticed the article states puzzlement on how these people could survive without whaling. They forgot to take into account the
changes in climate. These bones look like they may date back to the Medival Warm Period when the climate was different than today.
... Alaska is the largest U.S. state of the United States by area; it is situated in the northwest extremity of the North American continent, with
Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait....
experienced three time intervals of comparable warmth: A.D.... 1–300, 850–1200, and post-1800. Knowledge of the North American Medieval Warm
Period has been useful in dating occupancy periods of certain Native American habitation sites, especially in arid parts of the western U.S.
Review of more recent archaeological research shows that as the search for signs of unusual cultural changes during the MCA has broadened, some of
these early patterns (e.g. violence and health problems) have been found to be more complicated and regionally varied than previously thought while
others (e.g., settlement disruption, deterioration of long distance trade, and population movements) have been further corroborated.
www.absoluteastronomy.com...