Minnesota Public Radio slideshow:
Do taconite fibers cause cancer?
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As director of the state Health Department's environmental division, Bloomgren says she hopes the symposium will provide useful information to help assess the possible risks posed by taconite fibers. (MPR Photo/Stephanie Hemphill)

As director of the state Health Department's environmental division, Bloomgren says she hopes the symposium will provide useful information to help assess the possible risks posed by taconite fibers.

(MPR Photo/Stephanie Hemphill)
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