Where uncertainty exists as to the boundaries of districts as shown on the official zoning map, the following rules shall apply:

(1)

Boundaries indicated as approximately following the center line of streets, highways or alleys shall be construed to follow such center lines.

(2)

Boundaries indicated as approximately following platted lot lines shall be construed to follow such lot lines.

(3)

Boundaries indicated as approximately following city limits shall be construed as following such city limits.

(4)

Boundaries indicated as following railroad lines shall be construed to be midway between the main tracks.

(5)

Boundaries indicated as following shorelines shall be construed to follow such shorelines and in the event of change in the shoreline, shall be construed as moving with the actual shoreline; boundaries indicated as approximately following center lines of streams, canals, lakes or other bodies of water shall be construed to follow such center lines.

(6)

Boundaries indicated as parallel to or extensions of features indicated in subsections (1) through (5) above shall be so construed. Distances not specifically indicated on the official zoning map shall be determined by the scale of the map.

(7)

Where physical features existing on the ground are at variance with those shown on the official zoning map or in other circumstances not covered by subsections (1) through (6) above, the city commission shall interpret the district boundaries.

(8)

Where any street or alley is hereafter officially vacated or abandoned, the regulations applicable to each parcel of abutting property shall apply to that portion of such street of alley added thereto by virtue of such vacation or abandonment.