A.    The Columbia heritage and preservation commission shall undertake an ongoing survey and research effort in the city to identify neighborhoods, areas, sites, structures and objects that have historic, community, architectural or aesthetic importance, interest or value. As part of the survey, the commission shall review and evaluate any prior surveys and studies by any unit of government or private organization, and compile appropriate descriptions, facts and photographs.

    B.    The commission shall identify potential landmarks and adopt procedures to nominate them in groups based upon the following criteria:

    1.    The potential landmark is one identifiable neighborhood or district geographical area of the city;

    2.    The potential landmark is associated with a particular person, event or historical period;

    3.    The potential landmark is of a particular architectural style or school, or of a particular architect, engineer, builder, designer or craftsman;

    4.    Such other criteria as may be adopted by the commission to assure systematic survey and nomination of all potential landmarks within the city. (Ord. 777 § 1 (part), 1989: prior code § 41-3-1)