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Pennsylvania R.R. Railroad ore docks, unloading iron ore from a lake freighter by means of "Hulett" unloaders, Cleveland, Ohio
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Blast furnaces and iron ore at the Carnegie-Illinois Steel Corporation mills, Etna, Pennsylvania
Iron ore piles and blast furnaces, Carnegie-Illinois Steel Corporation mill in Etna, Pennsylvania
Iron ore piles and blast furnaces, Carnegie-Illinois Steel Corporation mill in Etna, Pennsylvania