Hans Casperson of Duluth sprays high-temperature steam onto an ice dam Thursday on the roof of a home owned by Doneta Wickstrom. Casperson is owner of Duluth Ice Dam Removal and has seen an uptick in his business this month as snow melts and re-freezes on Northland rooftops. (Bob King / rking@duluthnews.com)
Read the article: Ice dams: A late-winter curse in the Northland
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