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The map's scale tells you how detailed your map is. A 1:24000 scale, for example, means one inch on the map equals 24,000 inches of real-world terrain. If the scale ratio had a number like 1:65,000, though, that would mean that each inch on the map covered 65,000 inches of terrain. A map with that scale covers a larger area overall—but it has ...
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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. If the community for which the map should be named falls on two or more maps, a directional term ...
Maps of various kinds—road maps, political maps, land use maps, maps of the world—serve many different purposes. One of the most widely used of all maps is the topographic map. The feature that most distinguishes topographic maps from maps of other types is the use of contour lines to portray the shape and elevation of the land.
May 27, 2023 · 1. Use the thicker contour lines to determine the elevation. Contour lines represent paths or segments of the Earth. Topographic maps are covered in contour lines. Some contour lines are thicker, known as indexed contour lines. They have a number next to them that shows you the elevation of that path or segment. [1]
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Oct 19, 2023 · 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.
Aug 14, 2018 · US Topo Map Users Guide. By National Geospatial Program August 14, 2018. USTopo_quickstart.pdf (1.2 MB)
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How do you read a topographic map?
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What distinguishes topographic maps from other types of maps?
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. Traditional definitions require a topographic map to show both ...
