what is a topographical map
Topographic map In modern mapping, a topographic map is a type of map characterized by large-scale detail and quantitative representation of relief, usually now using contour lines, but historically using a variety of methods.Traditional definitions require a topographic map to show both natural and man-made features.opographic maps are also commonly called contour maps or topo maps. In the United States, where the primary national series is organized by a strict 7.5-minute grid, they are often called topo quads or quadrangles.