A little more than a year ago, they introduced Sooty's Coal Tipple, and have now added an O gauge Sooty's Mine Shaft to the lineup. Shaft mining is a method of excavation that accesses an ore ...
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 ...