Copper Mountain Mine Tour - Ball MillAug 18, 2011 . A closer look at one of the large ball/SAG Mills spinning and crushing ore at Copper Mountain Mine near Princeton, BC. Filmed August 18.ball mill for copper,ball mill for copper,SAG and Ball MillsMar 12, 2015 . SAG and Ball Mills. Kennecott Utah Copper. Loading. Unsubscribe from Kennecott Utah Copper? Cancel Unsubscribe. Working.