The official plan lines of streets and highways which are a part of Streets and Highways Plan are hereby established as particularly set forth on maps, each of which is entitled “Official Plan Lines of ______________(here insert the official name of the street or highway) which is a part of the Streets and Highways Plan of the General Plan of the County of Humboldt, State of California.” Said maps and all notations, information and data appearing thereon are hereby made a part of this chapter and constitute § 441-7. Said section maps shall be adopted in the manner prescribed in Chapter 3 of Title 7 of the Government Code for the adoption of specific plans. (Ord. 567, § 6, 6/21/1966)