Ordnance Survey Maps A Descriptive Manual – J B Harley. University Press. Oxford Publishing House
The use of a grid over an image is important in the sense that the contents page, or key of information, will usually give the points of interest such as place or street names and buildings as a reference point in accordance with the grid so the user can more easily identify with where they want to go. It’s very important f
or this grid to have a universal layout in order for there to be little confusion between the cross over of using different maps.
Navigation In The Mountains- Carlo Forte. Mountain Training UK
Img pg 27. This image shows the lining up of elements in accordance with the map, so key points are linked together and the user has more of a solid approach to understand where they are and where
they need to go.