Hundreds of shipwrecks dot the Great Lakes, but those relics of history may be disappearing
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Divers race to find shipwrecks before invasive species ruin them
Hundreds of shipwrecks dot the Great Lakes, but those relics of history may be disappearing
More:
Divers race to find shipwrecks before invasive species ruin them
Hundreds of shipwrecks dot the Great Lakes, but those relics of history may be disappearing
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Divers race to find shipwrecks before invasive species ruin them
Deep under the Great Lakes, amateur shipwreck hunters have discovered lost cargoes of everything from bathroom fixtures, to antique cars, and even Christmas trees. For many of these divers, this is a hobby that turned into an obsession. CBS News’ Lee Cowan shows us how these discoveries are now being threatened by an invasive species potentially more destructive than the ravages of time.
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Divers race invasive species to find Great Lakes shipwrecks