Nathaniel Kitchel, the Robert A. 1925 and Catherine L. McKennan Postdoctoral Fellow “ Share March 04, 2021 by Amy Olson Researchers trace the age of a Mount Holly mammoth rib fragment from Mount Holly, Vt. Replica of a woolly mammoth ( Mammuthus primigenius) in the Royal BC Museum in Victoria, British Columbia, Canada. The display is from 1979 and the fur is muskox hair. (Image by Flying Puffin, Creative Commons Attribution-ShareAlike 2.0 Generic license – cropped from original) PreviousNext Woolly mammoths may have walked the landscape at the same time as the earliest humans in what is now New England, according to a Dartmouth study published in Boreas. Through the radiocarbon dating of a rib fragment from the Mount Holly mammoth from Mount Holly, Vt., the researchers learned that this mammoth existed some 12,800 years ago. The humans in the Northeast are thought to have arrived around the same time.