No land shall be subdivided on any single map when such land is separated or divided into two (2) or more parcels or portions by any parcel of land, other than a street, alley, railroad right-of-way, public utility right-of-way, or flood control right-of-way, and when such land is so separated, each separated parcel or portion thereof, if subdivided, shall be subdivided as a separate parcel and shown on a separate subdivision map.
('65 Code, § 31-81) (Ord. No. CS-622 § 1 (part))