Duluth, Minnesota four Catholic schools with coverage up to grades 6 or 8, two Protestant schools, two Montessori schools, and six other charter and private schools. Due to its proximity to the Great Lakes, Duluth is the location for the Large Lakes Observatory. The Large Lakes Observatory operates the largest university-owned research vessel in the Great Lakes, the R/V Blue Heron. Built in 1985 for fishing on the Grand Banks, the Blue Heron was purchased by the University of Minnesota in 1997, sailed from Portland, Maine, up the St. Lawrence Seaway to Duluth, and converted into a limnological research vessel during the
Duluth Township, St. Louis County, Minnesota Duluth Township, St. Louis County, Minnesota Duluth Township is a township in Saint Louis County, Minnesota, United States. The population was 1,941 at the 2010 census. The township is located on the North Shore of Lake Superior. North Shore Scenic Drive (County Road 61), the Minnesota 61 Expressway (MN 61), and Homestead Road (County Road 42) are three of the main routes in the township. McQuade Road runs north–south along Duluth Township's western boundary line with adjacent Lakewood and Normanna Townships. The unincorporated communities of French River, Palmers, and Clover Valley are located within Duluth Township. According to the United