Why were radiologists at Otsego Memorial Hospital in Gaylord, Michigan, feeding a 600-pound wooden beam through a CT scanner? To image its growth rings. That might tell he researchers who hauled the beam up from the bottom of Lake Michigan when the tree from which it was hewn was cut. And in turn that could reveal whether the wreckage from which the beam was salvaged is from Le Griffon, the ship of the French explorer René-Robert Cavelier, Sieur de La Salle. Le Griffon sank in 1679 under mysterious circumstances. Great Lakes shipwreck hunters have long hoped to find it and possibly learn how and why it went down. Tommy Gouin of the salvage company said of the beam, "We are trying to do noninvasive ways to determine how old it is. Right now we could cut a chunk of it apart, but that would destroy the artifact." For more details, see tiny.cc/louj2w.
Posted on: Wed, 28 Aug 2013 23:16:22 +0000
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