Grid reference systems: how to make them
All about how to make grid reference systems. Before you try to make your own you should read this page:
Grid reference systems: What are they?
This page explains grid reference systems, with specific emphasis on New Zealand. If you are interested in making a grid reference system for your map read this page and then see:
What is a grid reference system?
A grid reference system is a simplified grid used for a map area to make reporting and looking up coordinates easier.