The jurisdiction of the chief of police, city police officers and other peace officers of the city shall be extended to include the city airport, the city dump grounds, the city disposal plant and any other city property located in the county. Said peace officers shall have full police powers to patrol the city airport, the city dump grounds, the city disposal plant, and other city property located in the county and to enforce all of the laws of the United States, the state, the county and the city on said premises.