The rise and decline of the copper industry in Michigan's Upper Peninsula mirrored that of the railroads that served the area. From the railroads' beginnings in the early 1870s to the complex rail network of the 1900s, Copper Country exploded with immigrants eager to mine the eponymous metal and their families, brought in by the car-full on train after train. By 1976, the abandonment of the Houghton tracks of the Soo Line (formerly...