copper mining
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The U.S. Built Only Three Steel Dams. One Is in the Keweenaw — and the Wooden Dam It Replaced Outlasted It.
The Redridge Steel Dam is one of only three steel dams ever…
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He Started the U.P.’s Copper Rush. Then He Warned Everyone to Stay Away.
The U.P.’s entire copper boom traces back to one man and one…
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How Keweenaw Copper Built the U.P.—and Wired a Growing America
Before the California Gold Rush became legend, another American mineral rush was…
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Before the Gold Rush, There Was a Copper Rush, and It Happened Right Here in the U.P.
Years before the forty-niners headed west, a rush for copper built the…
