Finding clues to water quality in the bottom of a lake
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Scientist Dan Engstrom, director of the St. Croix Watershed Research Station, studies the sediment on lake bottoms, which can show how — or even if — certain farming practices affect water quality.
"We're investing a lot in encouraging farmers to do these things, but are we getting much bang for our buck?"
Join Engstrom on the road to one of Minnesota's 11,842 lakes.
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