What is Toposheets / Topographical sheets/ Topographic maps?| Download as shapefile
Topographic maps or topographic sheets or toposheets are detailed information of a land area, giving geographic positions and elevations for both natural and man-made features (USGS).
Topographical maps, also known as general-purpose maps, are drawn at relatively large scales. These maps show important natural and cultural features such as relief, vegetation, water bodies, cultivated land, settlements, and transportation networks, etc.
These maps (toposheets) are prepared and published by the National Mapping Organisation of each country. For example, the Survey of India prepares the topographical maps in India for the entire country. The topographical maps are drawn in the form of a series of maps at different scales. Hence, in the given series, all maps employ the same reference point, scale, projection, conventional signs, symbols, and colors.
The topographical maps in India are prepared in two series, i.e. India and Adjacent Countries Series and The International Map Series of the World. India and Adjacent Countries Series: Topographical maps under India and Adjacent Countries Series were prepared by the Survey of India till the coming into existence of Delhi Survey Conference in 1937.
Henceforth, the preparation of maps for the adjoining countries was abandoned and the Survey of India confined itself to preparing and publishing the topographical maps for India as per the specifications laid down for the International Map Series of the World. (NCERT)
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What is a topographic sheet/ Toposheets?
Topographic sheets / Toposheets are detailed information of natural and cultural features such as relief, vegetation, water bodies, cultivated land, settlements, and transportation networks, etc (NCERT).
What is the application of Toposheet?
A toposheet map is used to determine the exact geographic location of an exciting feature such as geographical coordinates ( latitude, longitude & altitude(elevation)). It’s very helpful for tours, traveling, hiking and trekking.
Which organization is responsible for preparing the toposheet/topographic map/ topographical sheet of India?
Survey of India, The National Survey and Mapping Organization of the country under the Department of Science & Technology is responsible for preparing the toposheet/topographic map/ topographical sheet of India?