Minnesota Public Radio slideshow:
Who gets the nuggets?
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An iron nugget, produced at the Mesabi Nugget pilot plant in Silver Bay. The nuggets are almost pure iron, compared to taconite pellets that might be only two thirds pure. Iron nuggets can be used in electric arc mini mills as well as traditional steel mill blast furnaces. (MPR Photo/Stephanie Hemphill)

An iron nugget, produced at the Mesabi Nugget pilot plant in Silver Bay. The nuggets are almost pure iron, compared to taconite pellets that might be only two thirds pure. Iron nuggets can be used in electric arc mini mills as well as traditional steel mill blast furnaces.

(MPR Photo/Stephanie Hemphill)
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