(WKBN) — Millions of structures in Pennsylvania and Ohio are located over old, abandoned underground coal and clay mines — but how do you know where to find them, and how much of a threat do ...

MINE RICH IN HISTORY Signs of the mine’s history abound. The equipment is new, but rests on century-old foundations. That story isn’t lost on Caydn Mulligan, 22, the son of Heidi Mulligan ...

Gregory Kuchan, a Douglas Elliman real estate agent, is currently listing a property with two mine shafts on it for $49,950. The lot spans 30 acres in Garlock, an old mining town-turned-ghost town ...

The best-performing South African miner this year is defying the country ... It’s also operating century-old underground shafts around Barberton, the site of the country’s first gold rush ...