New Mexico Copper Corp. wants to re-establish a polymetallic mine and processing facility near Hillsboro, N.M. The Copper Flat Mine is not the answer to Sierra County’s economic woes. Just like Grant County’s copper mines, it will be subject to
New Mexico Copper Corp. wants to re-establish a polymetallic mine and processing facility near Hillsboro, N.M. The Copper Flat Mine is not the answer to Sierra County’s economic woes. Just like Grant County’s copper mines, it will be subject to