Workers repair a ruptured water main in front of Minnesota Power on Wednesday. “A hair more than 3 million gallons of water leaked,” said Dan Berg, utility operations supervisor with the city of Duluth. The large box is a trench box, used to protect workers from cave-ins while they work on the water main. (Bob King / rking@duluthnews.com)
Read the article: Duluth's old water pipes leave city on shaky ground
