1303.02 CLASSES OF DISTRICTS.
For the purposes of this Zoning Ordinance, the City is divided into the following districts:
   a)   RESIDENTIAL DISTRICTS
      RS-1      Single-Family Detached Residential Conservation District
      RS-2      Single-Family Attached Residential Conservation District
   b)   URBAN NEIGHBORHOOD DISTRICTS
      UN-1      Urban Mixed Residential Commercial District
      UN-2       Urban Residential Neighborhood District
   c)   COMMERCIAL / INDUSTRIAL DISTRICTS
      CBD      Central Business District
      EC      Employment Center District
   d)   MIXED USE INSTITUTIONAL
      MUI-1   Mixed-Use Residential InstitutionalDistrict
      MUI-2   Urban Residential Neighborhood District
      OS      Open Space District
   e)   OVERLAY DISTRICTS
      FP/GW   FloodPlain/Greenways Overlay District