Minnesota Public Radio slideshow:
A new kind of iron ore
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Larry Lehtinen says the new Japanese iron purifying process works. The experiment underway at Silver Bay is designed to find out whether commercial production can be profitable. (MPR Photo/Stephanie Hemphill)

Larry Lehtinen says the new Japanese iron purifying process works. The experiment underway at Silver Bay is designed to find out whether commercial production can be profitable.

(MPR Photo/Stephanie Hemphill)
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