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Clouds hung last week like a sign in the sky over steel plants in Buffalo, Gary, Youngstown, South Chicago, Bethlehem. Pittsburgh, the city of steel, was dark, dirtier than ever as smoke belched from chimneys and rolled along the Monongahela. Twenty-four hours a day, seven days a week, ore was fed into blast furnaces, cooked, tapped out in molten iron streams. Open-hearth and Bessemer furnaces converted iron into white-hot steel which was molded into ingots, rolled and tortured into flat slabs, long, thin blooms. In strip mills, finishing plants, hot...
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