The several zones herein established are shown on the airport zoning map consisting of three sheets, prepared by Orlin A. Ortloff, Director of Engineering, and dated January 9, 1974, attached hereto and made a part hereof, which map, together with the amendments thereto as may from time to time be made, and all notations, references, elevations, data, zone boundaries and other information thereon, shall be and the same is hereby adopted as part of this chapter.
(`86 Code, § 12.06)