Background. Aseptic meningitis is an illness characterized by serous inflammation of the linings of the brain (i.e., meninges), usually with an accompanying mononuclear pleocytosis. Clinical manifestations vary, with headache and fever predominating.
Lake Superior 1  ... is the largest freshwater lake in the world by surface area and the third largest by volume (Lake Baikal in Siberia and Lake Tanganyika in East Africa contain more water). 2  could hold all the water in the other Great Lakes, plus THREE MORE Lake Eries. 11,000 years ago: Glacial Lake Duluth, the precursor to Lake Superior, forms as the ice sheet retreats northeastward. 2  The lake's torrential outflow near present-day Duluth carves the St. Croix River Valley and feeds the Mississippi River.
The state's nickname, the Land of 10,000 Lakes, is apt, as there are 11,842 Minnesota lakes over 10 acres (4 ha) in size. The Minnesota portion of Lake Superior is the largest at 962,700 acres (389,600 ha; 3,896 km2) and deepest (at 1,290 ft (390 m)) body of water in the state.