The boundaries for the zones listed in this chapter are indicated on the City of Union Zoning Map with attachments which are hereby adopted by reference. The boundaries shall be modified in accordance with zoning map amendments which shall be adopted by reference. Unless otherwise shown on the zoning map, boundaries of the zone are lot lines, center lines of streets and alleys, railroad rights-of-way lines, section, township, and range lines as they exist at the time of the enactment of this chapter.
(Ord. 337, passed 6-11-1979)