images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs2/Minerals... · form of ores may...
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images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs2/Minerals... · form of ores may reduce ferro-alloy requirements. PIG IRON PRODUCTION AND SHIPMENTS Domestic production