All territory within the city and contiguous territory within one and one-half miles of the city is divided into five zoning districts as follows:
(A) R-1: One-Family District;
(B) R-2: General Residential District;
(C) B-1: Business District;
(D) M-1: General Manufacturing District; and
(E) A-1: Agricultural District.
(1978 Code, § 17.12.010) (Ord. 368, passed - -1967)