Beneath the cold waves of Lake Michigan rests an aging shipwreck, its wooden planks encrusted with brown-and-gray zebra mussels, that may be the remnants of a 17th-century ship called the Griffin, two Michigan-based treasure hunters say.
French explorer René-Robert Cavelier, Sieur de La Salle built the Griffin in 1679, but it was lost in Lake Michigan the same year.
In 2011, Michigan-based treasure hunters Kevin Dykstra and Frederick Monroe found a shipwreck as they were searching for the $2 million in gold that, according to local legend, fell from a ferry crossing Lake Michigan in the 1800s, they told WZZM, a western Michigan news station.
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