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Coke Oven -- Emporium, PA Circa 1890

Coke is a solid carbonaceous material derived from destructive distillation of low-ash, low sulfur bituminous coal (black coal). Coke from coal is grey, hard and porous. Coke can be used as a fuel or as a reducing agent in blast furnaces used for smelting of iron ore.

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Uploaded on April 10, 2019
Taken on March 15, 2019