The zoning districts delineated within this chapter and the boundaries of such districts are shown upon the zoning map of the city and said map is made a part of this chapter as if set out fully in this chapter. All properties included in such zoning map are classified and zoned in accordance with the district designation shown on such zoning map. Amendments to the zoning map shall be subject to the provisions of this chapter.

Base districts shall be designated on the zoning map according to the following designations:

Agricultural (A-20) Rural Residential-5 (RR-5) Rural Residential-1 (RR-1) Residential Low 20 (RL-1-20) Residential Low 20PD (RL-1-20PD) Residential Low 10 (RL-1-10) Residential Low 10PD (RL-1-10PD) Residential Medium (RM-8) Residential Medium (RM-6) Residential Medium (RM-6S) Multiple Residential Medium 7 (MR-7) Multiple Res. Medium 7PD (MR-7PD) Multiple Residential High 15 (MR-15) Multiple Res. High 15PD (MR-15PD) Main Street Commercial (MSC) Highway Service Commercial (HSC) Industrial Park (IP) Manufacturing (M) Planned Development (PD)