Posted on March 4, 2020October 6, 2020 by AReditorialDept Prehistoric Michigan Copper In September 2011, I gave the keynote address at the Seventh International Conference on Ancient America in Marquette, Michigan, organized… You must be logged in to view this content. Post navigationPrevious post: Mary Magdalene and the House of OrangeNext post: Nabta Playa’s Prehistoric Astronomers