Dubuque Shot Tower
From cityofdubuque.org: The Shot Tower consists of a tapered square-cut masonry hollow column form. The whole structure stands 120'5" above the current ground level. Seven stories (82’11”) are of Galena Dolemite stone construction, and the uppermost three stories (37’6”) are built of soft red brick. There is strong evidence that some of the originally exposed column base is now buried, as is an estimated 15-20 feet of stone foundation. Lead was melted at the base of the tower, hoisted to the top, poured through screens of different gauges, tumbling smoothly round as it fell into the water vats below. The shot was then sorted and packed. When completed, the tower could produce between 6 to 8 tons daily, but it was rarely operated at full capacity.
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