“…The second criticism is that, if wooden pegs continue to be a permissible option in New Zealand, they are insufficiently well defined to be of any use as survey control. Addressing the first of these criticisms, the Canadian experience is that 60 -70% of boundary marks are reliable, [1], [2], [3] and in the absence of better evidence it seems reasonable to assume that percentages are probably similar in New Zealand. Coordinate transformation techniques, widely available today as part of Coordinate Geometry (COGO) software for GPS and Total Stations and surveying software packages, are ideal for confirming which points can be relied on and which not.…”