Copper miners and smelters are late agreeing charges for processing concentrate for next year, three sources with knowledge of the talks said, with smelters seeking a rollover while miners are ...

Consisting of 500 concave mirrors mounted on a heliostat that allows them to track the Sun, each is focused into furnace’s ...

The role of smelters in Chaffee County is an important one. The first smelter built in Buena Vista was the Cornucopia. It was ...