What Is A Topographic Map
What Is A Topographic Map. Elevation contours are imaginary lines connecting points having the same elevation on the surface of the land above or below a reference surface, which is usually mean sea level. This type of map would show the shape of the land (both natural and man-made) as well as other natural features such as woodlands, wetlands, creeks.
In addition to topographic quadrangles, the USGS publishes many other kinds. Topographic maps show the changing elevation in landforms around our world. Both US Topo and HTMC maps can be downloaded free of charge through several USGS interfaces.
The scale on any topographic map will tell you how many miles, or fractions of a mile, one inch represents.
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.
Furthermore, these geographical features can be mountains, valleys, plain surfaces, water bodies and many more. The study and practice of creating a representation of the Earth's surface on a flat surface is known as cartography. The data representing elevation, magnetic direction, and magnetic declination are collected by satellites orbiting our planet.
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Christopher Jones
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