A. Where such boundaries are indicated as approximately following lot lines or platted lot line lines, such lines shall be construed to be such boundaries.

B. In the case of unsubdivided property where a zone boundary divides such property the location of the boundary, unless indicated on the map by dimensions, shall be determined by the use of the scale on the zoning map.

C. Where a public street or alley is officially vacated, the area thereof shall acquire the classification of the property to which it reverts.

D. Where a railroad line is officially abandoned, the area of the right-of-way shall acquire the classification of the zone or zones in which it is located. If the right-of-way was a boundary between zones, the zones shall be evenly extended to the center of the right-of-way.

E. Where a zone boundary is shown on the map as a street, alley, waterway, or railroad, the boundary shall be the center line of the street, alley, waterway, or railroad.

F. The areas of dedicated streets, dedicated alleys, waterways, and railroad rights-of-way shall be deemed unclassified.