Associated Press
In this Saturday, June 15, 2013 file photo provided by Great Lakes Exploration Group,  French underwater archaeologist Olivia Hulot jots notes while inspecting a timber jutting from the bottom of northern Lake Michigan that experts believe could be part of the long-lost ship the Griffin. A wooden beam that has long been the focus of the search for a 17th century shipwreck in northern Lake Michigan was not attached to a buried vessel as searchers had suspected, but still may have come from the elusive Griffin or some other ship, archaeologists said Wednesday, June 19, 2013 (AP Photo/Great Lakes Exploration Group, Chris Doyal, File)

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