Date of Award
The original smelter, known as the Upper Works smelter, was located on the north side of the Warm Springs Creek, just 2 miles east of the city of Anaconda and 26 miles from the city of Butte. By the year 1894 this smelter had a capacity of 500 tons of ore a day.
Brown, J. L., "Purification Department of Zinc Leaching Division at Anaconda, Montana" (1949). Bachelors Theses and Reports, 1928 - 1970. 306.
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