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A real structure to see, not just a pile of mine tailings. The Sunflower Mine (a.k.a. National Mine) produced mercury. Inside the processing building which still stands, you’ll find a large pipe used to tumble a reddish-brown ore called cinnabar. The fine particles were burned in vertical furnaces with coke to produce mercury gas. The gas liquefied after being cooled in U-shaped tubes.
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