The term "Grid North, Georgia East Zone" refers to the fixed north direction in the East Zone, being Geodetic North for the central meridian eighty-two degrees ten minutes west of Greenwich. The term "Grid North, Georgia West Zone" refers to the fixed north direction in the West Zone, being Geodetic North for the central meridian eighty-four degrees ten minutes west of Greenwich. The applicable Grid North term and the basis of orientation shall appear on maps of survey that are purported oriented to a Georgia Coordinate System zone.