The Great Lakes has served as a means of connecting the middle of the North American continent to the Atlantic Ocean, and has been used as a major water transport corridor for centuries. The first known ship to have travelled the upper Great Lakes is the 17 th century brigandine, Le Griffon. This ship was wrecked when it encountered a violent storm whilst sailing on Lake Michigan. Over the next few centuries, an estimated 6,000 – 8,000 ships sank to the bottom of the Great Lakes with around 30,000 lives lost. Some of these ships mysteriously disappeared without a trace, one of them being the Thomas Hume. [[{"type":"media","view_mode":"media_large","fid":"10682","attributes":{"alt":"Satellite photo of the Great Lakes","class":"media-image","height":"370","style":"width: 610px; height: 370px;","typeof":"foaf:Image","width":"610"}}]] Satellite photo of the
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