By, Jay S.Wakefield, jswakefield@comcast.net Copper: According to American Indian oral tradition, Michigan copper was mined in antiquity by “red haired white-skinned ‘marine men’ who came from across the sea”. Tens of thousands of pits, up to 30’ deep, were mined using fire-setting and stone hammers, with an estimated half a billion tons of pure Read More
Missing: Prehistoric Michigan’s Half-Billion Pounds of Copper By David Hoffman AA #35 pp.18-21 Approximately 9,000 years ago, the Great Lakes achieved their current definition. Water levels would have been high near the time of the final glacier melt enabling human travel along ancient trade routes. Soil conditions indicate that at one time the Wisconsin Read More