The Sloss Furnaces Company's coke ovens in Brookside, Jefferson County, ca. 1920. Part of the Birmingham Industrial District, the mines provided minerals used in Sloss blast furnaces producing pig iron.

The Sloss Furnaces Company's coke ovens in Brookside, Jefferson County, ca. 1920. Part of the Birmingham Industrial District, the mines provided minerals used in Sloss blast furnaces producing pig iron.