The following maps are hereby declared to be a part of the Comprehensive Plan. Notations, references, indications, and other matter shown on the maps are as much a part of this subchapter as if they were fully described in the text.
(A) A map entitled "Huntington, Indiana, Comprehensive Plan," which shows the land use plan within the city limits.
(B) A map entitled "Huntington, Indiana, Jurisdictional Area Comprehensive Plan," which indicates the land use plan beyond the city limits.
('75 Code, § 72.3)