Notice shall also be provided to property owners within the land being considered, and within three hundred feet (300') of the external boundaries of the land being considered, and any additional area that may be substantially impacted by the proposed special use as determined by the commission. When notice is required to two hundred (200) or more property owners, in lieu of mailing notice, two (2) additional hearing notices shall be provided. (Ord. 52, 10-1-1987)