Minnesota Public Radio slideshow:
Part 3: The politics
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Oliaei and her colleague, Joe Julik, are extracting soil samples to a depth of 25 feet, to determine the extent of the chemicals' spread. (MPR Photo/Sasha Aslanian)

Oliaei and her colleague, Joe Julik, are extracting soil samples to a depth of 25 feet, to determine the extent of the chemicals' spread.

(MPR Photo/Sasha Aslanian)
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