The following portions of the City are hereby defined as districts in which all electric light, electric power, telephone and telegraph wires and cables for the conveyance of electrical energy for any purpose shall be placed underground in conduits:
(a) All that portion of George Street between the east and west building lines thereof, and extending from a point twenty-five feet north of Gas Avenue to the south building line of Princess Street.
(b) All that portion of Market Street between the north and south building lines thereof and extending from the east end of the bridge crossing Codorus Creek to the east building line of Queen Street.
(c) All that portion of what is known as Continental Square, between the building lines as presently constituted. (Ord. 77-1964 §1; Ord. 64-1965 §1.)