Dianne Portfleet
Dianne Portfleet is the author of numerous scholarly articles as well as two books on the work of author and educator Walter Wangerin Jr. Her son’s purchase of an abandoned copper mine in the Upper Peninsula of Michigan stimulated her interest in the history of mining in Michigan, and resulted in the publication The Adventure Mine: A History of the Adventure Mining Company from the Ancient Miners to the Present. She is also the author of two books on mining geared toward a general audience, Michigan’s Copper Country and Ancient Mining on the Shores of Lake Superior.
