• Mining - Wikipedia

    One patented Highwall mining system uses augers ... inclusion or exclusion of artisanal mining and small-scale mining ... Between 1932 and 1999, copper in ...

  • Copper - Fluor Mining Expertise

    Fluor is the leader in development of hydrometallurgical and pyrometallurgical processing plants to the Copper ... Copper - Fluor Mining ... 30 small-scale and ...