All territory hereafter annexed to the city, which is not shown on the zoning map as part of this chapter, shall automatically upon annexation be classified within the R-1, one- to four-family dwelling district, and shall be subject to all the regulations, notations, references and conditions applicable to the zone until the time that a determination may be made as to the proper district classification and amendment made to that effect.
(Ord. passed 4-24-78)