What is the fine-grained topic of the following text: Notice is hereby given that the Village Board of the Village of Peoria Heights adopted an "Ordinance of the Village of Peoria Heights, Peoria County, Illinois Ascertaining the Prevailing Rate of Wages for Laborers, Workmen and Mechanics Employed on Public Works for the Village of Peoria Heights" during the month of June 2018. Only return the topic.
Adoption of a Prevailing Wage Ordinance in the Village of Peoria Heights