The 1844 Discovery That Built Michiganâs Mining Legacy On September 19, 1844, William Austin Burt and his surveying crew were trekking through the rugged Upper Peninsula wilderness when their compasses began acting strangely. The needles wavered and swung off course and not because of supernatural forces. But because they were standing atop one of the richest deposits of iron ore in North America: the Marquette Iron Range. The following year, the Jackson Mining Company opened the Jackson Mine, and with it, the foundation for the city of Negaunee, Michigan. Before long, Ishpeming followed. While the California Gold Rush of 1848… Read More »