Minnesota Public Radio slideshow:
The campaign to save the Whitewater River
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Paul Woltzka points to fields of corn, soybeans and other row crops that are planted in the Whitewater River watershed. He says the herbicide atrazine, which is used extensively on such crops, is running off into the river. (MPR Photo/Dan Olson)

Paul Woltzka points to fields of corn, soybeans and other row crops that are planted in the Whitewater River watershed. He says the herbicide atrazine, which is used extensively on such crops, is running off into the river.

(MPR Photo/Dan Olson)
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