Block numbers shall begin with the number "one" or letter "a" continuing consecutively without omission or duplication throughout the tract. The numbers or letters shall be solid and of sufficient size and thickness to stand out, and shall be so placed as not to obliterate any figure and shall not be enclosed in any design. Each block in its entirety shall be shown on one sheet. Where adjoining blocks appear on separate sheets, the street adjoining both blocks shall be shown on both sheets complete with monument line and property line data.
(Ord. 3157 § 1 (part), 1979)