Council shall cause to be made surveys of the exact locations of the lines of existing and proposed public streets, watercourses and public grounds, including widenings, narrowings, extensions, diminutions, openings or closings of the same, for the whole of the City, and such surveys shall be the Official Map of the City. Council, by amending existing ordinances, may make additions to or modifications of the Official Map or parts thereof by adopting surveys of the exact location of the line of a public street, watercourse or public ground to be so added or modified and may also vacate any existing or proposed public street, watercourse or public ground contained in the Official Map or part thereof.
(Ord. 3914. Passed 11-30-71.)