Beyond the questionable accuracy of even modern maps, none are thought to include all the shaft openings, test pits, entrances and even entire mines that were constructed in New Jersey.

Lead, SD, March 18, 2025 (GLOBE NEWSWIRE) -- The Sanford Underground Research Facility (SURF) in the Black Hills of South Dakota is America’s Underground Lab – with cutting-edge experiments in biology ...

Just because a mine has been exhausted of its ore, that doesn't necessarily mean it has no value. A 2023 study suggests that the shafts of such abandoned mines could serve as energy-storing gravity ...

The Department of Mineral Resources is facing backlash from advocacy groups, including the South African Civic Organisation ...