FILE - In this June 16, 2013, file photo divers inspect a hole being dug beside a wooden beam jutting from the floor of Lake Michigan during exploration for the 17th century ship the Griffin.

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FILE - In this June 16, 2013, file photo divers inspect a hole being dug beside a wooden beam jutting from the floor of Lake Michigan during exploration for the 17th century ship the Griffin. Scientists and divers announced Wednesday, June 26, 2013, that the team removed a timber Saturday that could belong to the long-lost Griffin. (AP Photo/Great Lakes Exploration Group, David J. Ruck, File) less 

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Associated Press
Thu, Jun 27, 2013 2:23 PM EDT