![M. Garside](https://cdn.statcdn.com/static/../CMS/contactperson/ERI913_1591697935.png)
Leading iron ore mines in the U.S. 2023, based on production volume
The Minntac Mine, located in Minnesota, was the United States' largest iron ore mine in operation in 2023 based on production volume. That year, the mine, which is operated by United States Steel, produced over 14 million metric tons of iron ore. The second largest iron ore mine in the U.S. that year was Tilden Mine located in Michigan and owned by Cleveland-Cliffs, which had a production volume of nearly seven million metric tons.