Michigan's Upper Peninsula contains a small, abandoned mining town that's like a time capsule from the 1800s, and you can see ...
When most scholars of U.S. history study the birth and growth of the country, very few of them consider the Upper Peninsula’s ...
Prehistoric copper mines -- Early reports -- Samuel O. Knapp and the Minesota mine -- Who wrote the Knapp report? -- What discoverers saw in the nineteenth century -- Who were the prehistoric miners? ...