The Council may by ordinance establish an official map or plan of the City showing the streets, highways, boulevards, parks, playgrounds, and other public places laid out or to be laid out, adopted, and established by law, and such map or plan shall be deemed to be final and conclusive with respect to the location and width of streets, highways, and boulevards, and the location of parks, playgrounds, and other public places shown thereon.  A certified copy of the ordinance establishing such map or plan and of any ordinance making any change therein or addition thereto, shall be promptly filed by the Clerk of Council with the recorder of Scioto County.