Tuesday is the two-year anniversary of the crash at the Gold Hill Mine Shaft on U.S. Forest Service land in Boulder County west of Gold Hill, according to the federal lawsuit. Isaac Lutz ...

Emergency crews in northern California rescued a 16-year-old boy who took a tumble down a 50-foot-deep mine shaft while exploring the side of a mountain. The teenage boy and his friends had poked ...

An update on the Prominent Hill expansion study has ... current mineral resource limits. Shaft hoisting is the key enabler that will facilitate increased mine production. The company approved ...