Question

We use as big vertical interval for areas with

Answer 1

Answer:

A topographical map shows the surface of the earth in detail. Topographical maps are also known as Ordnance Survey maps as these maps were originally drawn in Britain for the army under the direction of the Surveyor-General. These maps are multi-purpose and the show physical features such as valleys, hills, waterfalls and man-made features such as roads, railways, bridges, canals, etc.