"This official Zoning Map is adopted by reference in Section 151.004(b) of the City of Lockport Municipal Code. (Original Map adopted April 2, 1990, Ordinance #90-194). In accordance with Chapter 65, paragraph 5/11-13-19 of the Illinois Compiled Statutes, 1994, this map reflects all zoning uses, divisions, and classifications in effect on and prior to Dec 01, 1998."