Sec[Section] 1 Be it enacted by the people of the State of Illinois Represented in the General Assembly: [...?] That the present proprietor or proprietors of the Town of Caledonia, and the first addition to the Town of Rome in the county of Peoria, be and they are hereby authorized to ^vacate^ the survey and plat of the afforesaid Towns of Caledonia and the first addition to the town of Rome, Provided the vacating of the survey and plats of said towns shall not interfere with the vested rights of any person or persons who may have purchased lots in said towns of the proprietors or others