Charles K. Hyde is a professor of history at Wayne State University, USA, and the author of several books, including Technological Change and the British Iron Industry, 1700-1870, The Northern Lights: Lighthouses of the Upper Great Lakes, and Historic Highway Bridges of Michigan.
The story of the twentieth century in the United States cannot be told without copper. . . . In this engaging history of the industry, Charles Hyde tells how copper mining and refinding was transformed from a small, isolated industry into one of the world's largest corporate endeavors. -Montana Magazine