Minnesota Public Radio slideshow:
MPCA votes on Mesabi Nugget plant
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Iron nuggets are 97 percent metallic iron, compared to taconite pellets which are 65 percent iron. (MPR Photo/Stephanie Hemphill)

Iron nuggets are 97 percent metallic iron, compared to taconite pellets which are 65 percent iron.

(MPR Photo/Stephanie Hemphill)
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