When the placement of a required monument at its proper location is impractical, the surveyor may set a reference monument near that point. Such a reference monument has the same status as other monuments of record if its location is properly shown. Where any point requiring monumentation has been previously monumented, the location of the existing monument shall be confirmed by the land surveyor if used, and if so confirmed, shall likewise be considered a monument of record when properly shown and described on the certificate or plat filed. (Ord. 588 § 1(part), 1996)