Wherever the surveyor has established the center line of a street or alley, that data shall be considered in making the surveys and in preparing the final map, and all monuments found shall be indicated and proper reference made to field books or maps of public record relating to the monuments. If the points were reset by ties, that fact shall be stated. The, final map shall show Town and County boundaries adjoining the subdivision. (1986 Code § 13-5-6)