21 GCA § 61203: Zone Boundaries.

(a) Where the zone boundaries indicated on the Zoning Map, said map, and all the notations, references and their extensions; such lines shall be construed to be the zone boundaries.

(b) Where the zone boundaries indicated on said map are not street, alley or lot lines, or extensions thereof, the zone boundaries shall be determined by the use of the scale appearing on the Zoning Map, unless otherwise specifically shown by dimension.

(c) In any case where there is uncertainty as to the intended location of a zone boundary, the Commission shall have the power and duty to determine its intended location.