"northern border of Delaware" . . "border" . . "a Circle drawne at twelve miles [19 km] distance from New Castle Northward and Westward" . . "Parts of Delaware exist within NJ" . "circle with a 12-mile radius" . . "Twelve-Mile Circle of New Castle" . "twelve mile circle" . "12-mile (radius) circle" . . "Twelve-Mile Circle" . . . . . "Twelve-Mile Circle" . . . "arc" . . . . . .