Question

What are topographical sheets ?¿​

Answer 1

Answer:

Topographic maps usually show a geographic graticule and a coordinate grid, so you can determine relative and absolute positions of mapped features.

It is important to note that a map is merely a two or three dimensional representation of the physical environment at a given time. Therefore, a map will never be entirely up to date. Changes to the landscape and cultural features regularly occur (such as roads, vegetation, and buildings), resulting in maps becoming dated, although the rate of obsolescence varies depending upon location.

Answer 2

Answer:

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.

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