Included in this lot is this Original Anaconda Copper Mining Company Anaconda Reduction Department (Works) sign. The Anaconda Reduction Works was just one division of the Anaconda Copper Mining Company. Copper was mined in Butte and transported to Anaconda, 23 miles away, by electric rail. At the Reduction Works, the ore was concentrated, then roasted to remove sulphur, then smelted. It was then shipped to Great Falls, Montana, and Perth Amboy, New Jersey, for refining. Zinc ore was also concentrated and smelted at Anaconda. The title of this sign is, "Anaconda Reduction Department Color Codes For Pipelines, Code Designation Medium Green Water Blue Air Red Fire Jade Green Oxygen Orange Gas Yellow Other Dangerous Liquids or Gases This wood hardboard painted sign is in fair to good overall condition,cracks are evident throughout, the upper right corner is missing paint, dirt and stains exhibited on the face consistent with years of usage. Measurements are 11"W x 14"L