Minnesota Public Radio slideshow:
Pollution cleanup cost is hard to comprehend
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Julie Klocker with the Sauk River Watershed District says her group has been working to clean up the Sauk River for 20 years. They spent nearly $4 million so far, but Klocker says the total cleanup price tag would be "hundreds of millions of dollars." (MPR Photo/Tim Post)

Julie Klocker with the Sauk River Watershed District says her group has been working to clean up the Sauk River for 20 years. They spent nearly $4 million so far, but Klocker says the total cleanup price tag would be "hundreds of millions of dollars."

(MPR Photo/Tim Post)
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