Wednesday, September 05, 2007

Team finds possible mastodon carving on Lake Michigan rock

TRAVERSE CITY, Mich. (AP) — They aren't certain, but underwater archaeologists say they may have discovered a boulder with a prehistoric carving in Lake Michigan's Grand Traverse Bay.

The granite rock has markings that resemble a mastodon — an elephant-like creature that once inhabited parts of North America — with what could be a spear in its side, say divers who have seen it.

They came across the boulder at a depth of about 40 feet while searching for shipwrecks in June, said Mark Holley, a scientist with the Grand Traverse Bay Underwater Preserve Council.

Bay City has been greatly affected by the level of the lakes and by the advance and retreat of the glaciers over the last several thousand years.  This possible mastodon carving would show knowledge of the animal further north than before.  It also would relate to lake levels in that area. 


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