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Fun Fact

A hiker atop the Black Rocks at Presque Isle Park in Marquette, Michigan
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The cliff-like Black Rocks jutting into Lake Superior at Presque Isle Park are 1.7 billion years old.

The Lake Superior & Ishpeming Ore Dock in Marquette, Michigan, at night
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The Lake Superior & Ishpeming Ore Dock was the first of its kind and is one of four pocket ore docks still in operation in the Upper Great Lakes. It has loaded more than 400 million metric tons of iron ore over its 110-plus-year lifespan.

Interpretive sign detailing the history of human inhabitants on the Iron Ore Heritage Trail in Marquette, Michigan
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Marquette County has been inhabited by humans since the early Holocene Era, which was about 8,000 years ago.

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