Said map or plat shall have written thereon or attached hereto a dedication to the municipality for the use of the public, of all streets, avenues, alleys, parks, squares and commons and all land set apart for public use or dedicated to charitable, religious and educational purposes as therein mentioned and described. Such dedication shall be signed by the owner of the tract of land and shall be duly acknowledged as required by law.
(Neb. RS 17-417, 17-1003) (2000 Code, § 11-204)