The city is hereby divided into 22 zoning districts. The use, height and area regulations as set out herein are uniform throughout each district. The 22 districts established herein shall be known as:

(Ord. of 9-7-1970, § 3-100)

(a)

The boundaries of the zoning districts set out herein are delineated upon the zoning district map of the city, said map being a part of this chapter as fully as if the same were set forth herein in detail.

(b)

Three original, official and identical copies of the zoning district maps are hereby adopted, each bearing the signature of the mayor and the attestation of the city secretary and shall be filed and maintained as follows:

(1)

One copy shall be filed for permanent record in the office of the city secretary and shall be designated as "Exhibit I." This copy shall not be changed in any manner.

(2)

One copy shall be filed in the office of the building official and shall be designated as "Exhibit II." This copy shall be maintained by the building official and kept up to date by posting therein all subsequent changes and amendments for use in issuing building permits, certificates of compliance and occupancy and enforcing this chapter.

(3)

One copy shall be filed in the office of the director of planning and traffic and shall be designated as "Exhibit III." This copy shall be maintained by the director of planning and kept up to date by posting thereon all subsequent changes and amendments.

(4)

Reproductions for information purposes only may, from time to time, be made of the official zoning district map.

(Ord. of 9-7-1970, § 4-100)

(a)

The district boundary lines shown on the zoning district maps are usually along streets, alleys, property lines or extensions thereof. Where uncertainty exists as to the boundaries of districts as shown on the official zoning maps, the following rules shall apply:

(1)

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

(2)

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

(3)

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

(4)

Boundaries indicated as following railroad lines shall be construed to be the centerline of the right-of-way or if no centerline is established, the boundary shall be interpreted to be midway between the right-of-way lines of such railroad.

(5)

Boundaries indicated as following shore lines or centerlines of streams shall be construed to follow such shore lines and in the event of change in the shore line shall be construed as moving with the actual shore line; boundaries indicated as approximately following the centerlines of streams, drainageways or draws shall be construed to follow such centerlines.

(6)

Boundaries indicated as parallel to or extensions of features indicated in subsection (a)(1) through (5) of this section shall be so construed. Distances not specifically indicated on the original zoning maps shall be determined by the scale of the map.

(7)

Whenever any street, alley or other publicway is vacated by official action of the city council or whenever such area is franchised for building purposes and the zoning district line is not simultaneously adjusted, the zoning district line adjoining each side of such street, alley or other publicway shall be automatically extended to the centerline of such vacated street, alley or way and all area so involved shall then and henceforth be subject to all regulations of the extended districts.

(b)

Where physical features on the ground are at variance with information shown on the official zoning district map or when there arises a questions as to how or whether a parcel of property is zoned and such question cannot be resolved by the application of the provisions of subsections (a)(1) through (7) of this section, the property shall be considered as classified SF-2 Single-Family Dwelling-2 District temporarily in the same manner as provided for newly annexed territory and the issuance of a building permit and the determination of permanent zoning shall be in accordance with the provisions provided in section 140-78 for temporarily zoned areas.

(Ord. of 9-7-1970, § 5-100)