The mine shaft park and bat viewing area is located in Iron Mountain, not far off U.S. 2, on Millie Hill Bat Cave Road. What species of bats live in Millie Mine?

The Quincy Mine site, sitting atop a bluff overlooking Houghton and Hancock, offers underground tours and allows visitors to see some of the remaining above-ground buildings.

Iron Mountain shares have struggled this week after Elon Musk mentioned the company's processing and storage of retirement records in a Pennsylvania mine. But the company said other parts of its ...

The Afterthought Mine becomes the second Superfund site in the county. The Iron Mountain Mine, which sits on 4,400 acres northwest of Redding, has been on the EPA's list since 1983.

SUPERIOR - The Iron Mountain Mine site three miles north of here has been listed on the Comprehensive Environmental Cleanup and Responsibility Act Priority List - the state Superfund list.

A man exits the Iron Mountain Inc. data storage facility in Boyers, Pennsylvania, U.S., on Tuesday, Feb. 13, 2018. The underground data center, located in a former limestone mine, stores 200 acres ...

Iron Mountain shares have struggled this week after Elon Musk mentioned the company's processing and storage of retirement records in a Pennsylvania mine.