Winona, Minn., got a clean bill of health from the Minnesota Pollution Control Agency (MPCA), according to its year-long study of pollutants related to diesel truck traffic and silica sand mining, according to the Winona Daily News.
Read MoreWinona, Minn., got a clean bill of health from the Minnesota Pollution Control Agency (MPCA), according to its year-long study of pollutants related to diesel truck traffic and silica sand mining, according to the Winona Daily News.
Read More