Minnesota Public Radio slideshow:
Oakdale's water contaminated; old 3M waste suspected source
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The chemicals in question were produced at this 3M facility in Cottage Grove, and the waste was disposed of in two landfills in Washington County. (MPR Photo/Melanie Sommer)

The chemicals in question were produced at this 3M facility in Cottage Grove, and the waste was disposed of in two landfills in Washington County.

(MPR Photo/Melanie Sommer)
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