Copper Mining the King of the Oquirrh Mountains
Utah Copper had constructed the Magna Mill in 1906 as a plant for the coarse crushing fine crushing concentrating and dewatering of copper ores The site was selected because it was near water and high enough to make it easy to dispose of tailings waste left over from milling Another mill near the Magna Mill constructed in 1909 by Boston Consolidated later became part of Utah Copper