Question

What is the latitudinal and longitudinal extension of a million sheet topographical map is?

Answer 1

Indian Topographic Maps

Topographic maps provides the graphical portrayal of objects present on the surface of the earth. These maps provide the preliminary information about a terrain and thus very useful for engineering works. For most part of India, topographic maps are available which are prepared by the Survey of India. To identify a map of a particular area, a map numbering system has been adopted by Survey of India. The system of identification is as follows:

An International Series (within 4° N to 40° N Latitude and 44° E to 124° E Longitude) at the scale of 1: 1,000,000 is being considered as base map. The base map is divided into sections of 4° latitude x 4° longitude and designated from 1 (at the extreme north-west) to 136, covering only land areas and leaving any 4° square if it falls completely in the sea (Figure 3.8).

Answer 2

Answer:

4° latitude and 4° longitude

Explanation:

Topographic maps gives the graphical depiction of items present on the outside of the earth.These maps give the primer data about a territory and in this way extremely valuable for designing works. For most piece of India, topographic maps are accessible which are set up by the Survey of India. To recognize a guide of a specific region, a guide numbering framework has been received by Survey of India. The arrangement of ID is as per the following: An International Series (inside 4° N to 40° N Latitude and 44° E to 124° E Longitude) at the size of 1: 1,000,000 is being considered as base guide. The base guide is isolated into segments of 4° scope x 4° longitude and assigned from 1 (at the extraordinary north-west) to 136, covering possibly land zones and leaving any 4° square on the off chance that it falls totally in the ocean.

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