. . "U.S." . . "Maps"@en . . "New London quadrangle, Connecticut, part of, aeromagnetic map"@en . . . . . . . . . "Aeromagnetic map of the Uncasville quadrangle and part of the New London quadrangle, New London County, Connecticut"@en . . . "Uncasville quadrangle, Connecticut, aeromagnetic map"@en .