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In 1924, a boy was born in China who would transform the Michigan iron industry and discover what was, at the time, considered the oldest macroscopic fossil ever. This is the story of Tsu-Ming Han and Grypania.
More than half of the iron we mine today comes from banded iron formations. But where did banded iron formations come from?
In 1912, a steampunk-looking structure was built in Marquette, Michigan's Upper Harbor. More than a century later, it's still there — and still working. But what is this thing?
For more than 100 years, the Detroit salt mine has been pulling millions of tons of rock salt out of the ground. But considering Michigan is surrounded by fresh water... where did all that salt come from?
600 feet underground, is a place almost no one has stepped foot in in more than 100 years. Let's go see what's down there.
In less than 25 years, the people of Fayette, Michigan produced almost 500 million pounds of iron ingots — but the fate of their town would turn out to be short lived. This is the story of an iron smelting ghost town.
In the 1970s, Michigan's Torch Lake was so polluted, the fish were growing tumors. 50 years later of clean-up later, parts of this area are still on the Superfund list. So, what will it take to restore Torch Lake — and can we?
