Explanations:
Topographial maps– Maps which represent a symbolic or conventional picture of the physical and cultural land scope of small area on very large scale are known as topographical maps or toposheets. • These maps are based on actual survey of the area. • The scale of the maps is large enough to show the physical and cultural features in detail. • These features are represented by specific symbols, signs and colours. • Topo sheets are available on scale of 1:250000, 1:50000 and 1:25000.