November 1942. "Production. Copper. Interior of large ball mill showing the iron balls which grind the ore to a fine size for subsequent treatment by flotation at one of the mills of the Utah Copper Company in Magna and Arthur." 4x5 nitrate negative by Andreas Feininger for the Office of War Information. View full size.
  BUY PRINT    November 1942. "Production. Copper. Interior of large ball mill showing the iron balls which grind the ore to a fine size for subsequent treatment by flotation at one of the mills of the Utah Copper Company in Magna and Arthur." 4x5 nitrate negative by Andreas Feininger for the Office of War Information. | Click image for Comments. | Home | Browse All Photos