The boundaries of the SHROD shall conform to the limits of the area as depicted on the City of Griffin Zoning Map. In lieu of a metes and bounds description, the overlay district boundaries may be described by fixing points of beginning and end in the centerline of a street and the distance on one or both of the sides from the centerline of a street and the distance of one or both of the sides from the centerline to which the SHROD shall extend or may be established by description of coterminous boundaries with the property boundaries of lots along such street, or any combination of these methods. These surfaces shall be superimposed over the City of Griffin Zoning Maps to delineate those areas covered by the SHROD district.