Grand Traverse Bay petroglyph

From MysteryWiki

The Grand Traverse Bay petroglyph is a purported mastodon outline reported in 2007 by Mark Holley and Brian Abbott, about 40 feet[1] under the surface of Grand Traverse Bay off of Lake Michigan. Unfortunately, the original PDF describing the discovery is no longer available.

Notes

  1. 12.192 meters.

External Links

References

  • Flesher, John. “Divers Find Boulder with Mastodon Markings.” NBCNews.com, NBCUniversal News Group, 4 Sept. 2007, www.nbcnews.com/id/20593217/ns/technology_and_science-science/#.WmTHk6inFPY.
  • Janega, James. “Underwater Stones Puzzle Archeologists.” Chicago Tribune, Tronc, Inc., 8 Feb. 2009, articles.chicagotribune.com/2009-02-08/news/0902070444_1_stones-mastodon-archeologists.
  • Kalamazoo Gazette staff. “Possible Mastodon Carving Found on Lake Michigan Rock.” MLive.com, MLive Media Group, 5 Sept. 2007, blog.mlive.com/kzgazette/2007/09/possible_mastodon_carving_foun.html.