Copper Iron and gole were the most commonly mined minerals
copper
copper
copper
copper
Limestone, for cement and other construction mixes.
copper
copper
Iron and copper.
copper & iron
Copper was a valuable element that used to be mined in Michigan's Upper Peninsula. The region was a major copper mining area in the 19th and early 20th centuries, leading to economic growth and development in the area.
The major mineral mined in the USA would be, coal
The element that used to be mined in the Upper Peninsula of Michigan is copper. Several towns in the Upper Peninsula, including Harbor, are named after this element due to the significant mining activities that took place in the region during the 19th and early 20th centuries. Copper mining played a crucial role in the economic development of the Upper Peninsula and attracted many settlers to the area.