12-3-1: DISTRICT CLASSIFICATIONS:
To effectuate the comprehensive plan adopted by the city, lands within the incorporated boundaries of the city are hereby classified into the following categories, which are further described in subsequent sections and so indicated on the zoning map:
   A.    Residential:
      R-1 Low density residential
      R-2 Medium density residential
      R-3 High density residential
   B.    C Commercial
   C.    I Industrial (Ord. 518, 6-10-2008)