Early in the 20th century, the bustling mining town of Butte, Montana was one of the largest cities in the West. Hardrock miners lowered themselves 5,000 feet underground to tap out the abundant copper ore, working in mines with names like Orphan Girl, Neversweat, and Destroying Angel. In the hundred years since Butte’s heyday, most of the mines have closed, but new opportunities have been unearthed. Using the same determination, innovation, and passion that underscored Butte’s early success,