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.
Fire and ice, in the form of volcanoes and glaciers, created Lake Superior. That happened long before Jake came here to fish. One billion years ago, molten basalt erupted from the mid-continent rift, which extended from near Thunder Bay, Ontario, to Kansas.ire and ice, in the form of volcanoes and glaciers, created Lake Superior. That happened long before Jake came here to fish. One billion years ago, molten basalt erupted from the mid-continent rift, which extended from near Thunder Bay, Ontario, to Kansas.
Additional resources. 1  Twin Cities Pioneer Press: âSpectacularly Intactâ 1897 Shipwreck Discovered in Lake Superior. 2  Biography: Samuel de Champlain. 3  The Travel Channel: The Great Lakes Video. 4  EPA: Physical Features of the Great Lakes.