§ 32.25 SURVEYS AND RESEARCH.
   (A)   The Historic 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 Historic Preservation Commission shall review and evaluate any prior surveys and studies by any unit of government or private organization and compel appropriate descriptions, facts, and photographs.
   (B)   The Historic Preservation Commission shall identify potential landmarks and adopt procedures to nominate them in groups based on the following criteria:
      (1)   The potential landmarks in 1 identifiable neighborhood, district, or geographical area of the city;
      (2)   The potential landmarks associated with a particular person, event, or historical period;
      (3)   The potential landmarks of a particular architectural style or school, or of a particular architect; and
      (4)   Any other criteria as may be adopted by the Historic Preservation Commission to assure a systematic survey and nomination of all potential landmarks within the city.