ow in op- reduced to 4- worth about $3,000,000, the chief product of which was eration includes two old, but recently rebuilt, and three inch billets, is steel rails that only partly supplied the requirements of larger blast furnaces erected since 1900, with a fourth driven by a the local market.… … Pot Car for Carrying Slag from the Blast Furnaces. Erecting One of the Blowing Engin* rail mill—all of small capacity—were Purnat soon added, and in 1889 a second small blast furnace. Ore came from THE MINNEQUA WORKS OF THE CO
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