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
Great Lakes Storm of 1913 entire lake basin. The weather forecast of the "Port Huron Times-Herald" stated that southerly winds had remained "moderate to brisk". Northwesterly winds had reached gale strength on northern Lake Michigan and western Lake Superior, with winds of up to 60 mph (97 km/h) at Duluth, Minnesota. A false lull in the storm (a "sucker hole") allowed traffic to begin flowing again, both down the St. Marys River and up Lake Erie, and the Detroit and St. Clair rivers, into Lake Huron. Gale wind flags were raised at more than a hundred ports, but were ignored by many ship captains. Long