All that part of the city included within blocks numbered three, 11, 12, 15, 16, 17, 18, 20, 21 and that part of Willard and Morse's Addition to the Town of Kewanee, lying south of the Chicago, Burlington and Quincy Railroad [Burlington-Northern] right-of-way, and that portion of land known as Railroad Square lying south of the center line of the right-of-way of the Chicago, Burlington and Quincy Railroad Company [Burlington-Northern] between Block Three of the Original Town of Kewanee and the west line of Tremont Street, shall constitute and be known as the fire limits.
('71 Code, § 6-1-2)