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Iron ore piles and blast furnaces, Carnegie-Illinois Steel Corporation mill in Etna, Pennsylvania
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A scene in a steel mill, Republic Steel, Youngstown, Ohio. Molten iron is blown in an Eastern Bessemer converter to change it to steel for war essentials
Blast furnaces and iron ore at the Carnegie-Illinois Steel Corporation mills, Etna, Pennsylvania
Blast furnaces and iron ore at the Carnegie-Illinois Steel Corporation mills, Etna, Pennsylvania