Immediately upon the adoption of such resolution, for which but one (1) reading shall be necessary, the Clerk of Council shall cause written notice thereof to be given to each owner, person in possession thereof or having an interest or record in every piece of land sought to be appropriated, or to his authorized agent, and such notice shall be served by a person designated for the purpose, and return made in the manner provided by law for the service and return of summons in civil actions. If such owner, person or agent cannot be found within Cuyahoga County, notice shall be given by publication once a week, for three (3) consecutive weeks, in a newspaper of general circulation in the Municipality, and Council may thereupon pass an ordinance by an affirmative vote of five (5) of its members, directing such appropriation to proceed.