This is a map of a section of New Zealand taken from the Land Information of New Zealand site :- - This is a map of a section of New Zealand taken from the Land Information of New Zealand site :-
If you go to that site then you will see a map showing grid refs in sections. The map below is for sections BR25 to BS29 at a reduced scale of 20:1. I.e. their web site will have the images of parts of this map at a resolution 20x higher than that shown here.
Required redistribution notice "
Land Information New Zealand owns the Crown copyright for this image as provided in the Copyright Act 1994.
The material may be used, copied and re-distributed free of charge in any format or media. Where the material is redistributed to others the source and copyright status must be acknowledged."
A great wilderness reference map.