Before revision: Sites in Alaska (eastern Beringia) exhibit some of the earliest evidence of Paleo-Indians, followed by archaeological sites in northern British Columbia, western Alberta and the Old Crow Flats region in Yukon .
After revision: Sites in Alaska (eastern Beringia) exhibit some of the earliest evidence of Paleo-Indians, followed by archaeological sites in northern British Columbia, western Alberta and the Old Crow Flats region of the Yukon territory .