Topographic maps are used to display a geographic graticule and a coordinate grid. The term topography means an arrangement of the natural and artificial physical elements of a geographic area. Therefore, a multidimensional geographical representation of a region is called a topographic map. The cultural imaging encapsulates the three dimensional images of roads, buildings, railways, airports, new names of places, urban development, geographic features, national and international borders and several reserves. Reading Garmin Topographic Maps Garmin Topo Maps makes use of color lines, which are helpful in indicating elevation variation in the surface. To identify a contour line representation, on must have strong visualization skills. In fact, map, symbols are used on a Garmin Topographic map to indicate elevated or non-elevated regions and objects. Contour lines are representative of elevation. These lines are generally in brown color. Some are regular thin brown lines, whil...