NINETEENTH-CENTURY MINING in Park County naturally kindles thoughts of gold and silver (and of the hard rock tunnels along Buckskin Gulch, and the big hydraulic washing operations which churned the riverbanks near Fairplay and Alma). But coal was also an important product during the exciting years of gold and silver extraction (1867-1893). Unlike Appalachian operations, however, the coal industry in South Park employed only a single generation of miners.