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
Lake Superior and Mississippi Railroad Lake Superior and Mississippi Railroad The Lake Superior and Mississippi Railroad is the name for two different railroads in Minnesota. The Lake Superior and Mississippi Railroad (LS&M) was the first rail link between the Twin Cities and Duluth and came into existence in 1863 when financier Jay Cooke selected Duluth as the northern end of a new railroad. Lyman Dayton, a local businessman put up $10,000 of his own money to do the original surveying work and served as the railroad's president until his death in 1865. Dayton was succeeded as president by Frank Hamilton Clark, a Philadelphia banker whose