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Ice measurements
Airboat operator Bill Chelmowski pilots is craft across Lake Pepin, Feb. 18, 2015. St. Paul District staff from the channels and harbors section took to the ice of Lake Pepin on Feb. 18 for the first of weekly ice thickness measurements. The thickest ice discovered this year was at river miles 771 and 766, where 21 inches were recorded. Original public domain image from Flickr
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