Divers examining boulders at the bottom of Lake Huron that served as caribou drive lanes for prehistoric hunters.
(Credit: Photo courtesy of John O'Shea, U-M)
ScienceDaily (Dec. 12, 2011) — "Under the cold clear waters of Lake Huron, University of Michigan researchers have found a five-and-a-half foot-long, pole-shaped piece of wood that is 8,900 years old. The wood, which is tapered and beveled on one side in a way that looks deliberate, may provide important clues to a mysterious period in North American prehistory..."
Full Story: http://www.sciencedaily.com/releases/2011/12/111212221026.htm
Back Stories: http://www.pnas.org/content/106/25/10120.full.pdf+html
http://www.michigan.gov/dnr/0,1607,7-153-10366_46403_46404-241037--,00.html & http://www.independent.on.ca/site/?q=node/584