The north-south meridian shall be on the subdivision line one quarter mile west of the range line between Ranges 4 and 5. However, 3rd Avenue lying east of said meridian shall be on the range line lying between Ranges 4 and 5 thence east on the basis of 16 numbers to the mile. Streets running north and south shall commence at the said meridian thence west on the basis of 16 numbers to the mile. (Added by Ord. 85-051 § 3, July 3, 1985).