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Dec 26, 2023 · Topographic Map: A topographic map is a cartographic representation of Earth’s surface with a degree of detail or at a scale in between the map (small space) and the one-dimensional chorographic (large region) map.
A topographic map is a detailed and accurate illustration of man-made and natural features on the ground such as roads, railways, power transmission lines, contours, elevations, rivers, lakes and geographical names. The topographic map is a two-dimensional representation of the Earth’s three-dimensional landscape.
Topographic maps show how rivers flow, how high mountains rise, and how steep valleys descend. They lay out the land as in these examples: Engineers use topographic maps to plan a road, construct a cell tower, or plan a hydroelectric dam. Geologists use topography to understand the tectonic activity, landforms, and where to dig a mine.
In modern mapping, a topographic map or topographic sheet is a type of map characterized by large-scale detail and quantitative representation of relief features, usually using contour lines (connecting points of equal elevation), but historically using a variety of methods.
- Topographic Map
- Features of The Map
- Producing A Topographic Map
- Uses of Topographic Maps
Topographic maps are detailed maps that represent the graphics features on the Earth's surface. The map uses contours lines to represent relief and other geographic features such as infrastructural development, water bodies, buildings, and other prominent features. Contour lines are lines that join places of equal height and make it possible to sho...
In order for topographic maps to be relevant and useful, the maps must have sufficient information on its size. The size of the map is derived by selecting a map scale that is neither large nor small. The map details are enhanced by the use of colors and symbols. The most commonly used USGC topographical map scale is 1:24,000, whereby, one inch on ...
The process of processing a topographic map is long and complex and may take up to five years. The process involves a team of surveyors, fact-checkers, engravers, and printers among other personnel. It involves photographing the area to be mapped which is done from the air and from different angles to provide a three-dimensional image that can be c...
Topographic maps are used for several purposes including traveling, recreation, and hiking. They are also used by governments and other organizations to assist with the creation of legal boundaries, mining, urban planning, and emergency management.
- John Misachi
A topographic map refers to a detailed, graphical, and accurate representation of features that appear on the Earth’s surface. Topographic maps are an essential part of the field of geology due to the comprehensive analysis of a particular surface. Students can explore more about the topographic map here.
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A USGS topographic map is usually named for the most prominent feature within the bounds of the map, frequently a community. Most topographic maps are named for the most centrally located, well-known, and/or largest community labeled on the map.
