Boundaries indicated as following streets, railroads, brooks or rivers shall be considered to follow the center lines of such streets, railroads, brooks or rivers.

Where a boundary line is shown parallel to a street, railroad, brook or river the distance given shall be considered measured to the center line of such street, railroad, brook or river.

Boundaries indicated as following identifiable lot lines or as being parallel or perpendicular thereto, or extensions thereof, shall be construed as following such lot lines or being parallel or perpendicular thereto, or extensions thereof, even though such lot lines are not drawn accurately or to scale on the Zoning Map.

Boundaries not indicated as following streets, railroads, brooks, rivers, lot lines or other natural features shall be determined by the scale of said Zoning Map.

If the boundary of a zone cannot be determined by any of the above means, a landowner may apply to the Commission and the Commission shall determine the location of the boundary.