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TRAVERSE CITY, Mich. - 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.
“It appears the rocks have been manipulated by man,” says Dr. Mark Holley, an archeologist for the Grand Traverse Bay Underwater Preserve Council who taught Underwater Archeology at Northwestern Michigan College. “But we still have to study the boulder to see if it is in fact a carving, or perhaps the result of natural phenomenon.”
It was part of a row of stones of varying sizes that might have marked the shoreline 6,000 to 10,000 years ago, Holley said.
Some — although not the boulder — were arranged in a circle. That could indicate human manipulation although it's unclear, said Rob Houston, a geology instructor at the college who has inspected the site.
Originally posted by Ionized
The shot that was shown on local news was much closer, and better resolution. One could clearly make out what appeared to be carved impressions.