Study and Interpretation of Topographical Maps — Chapter Summary
ICSE · Class 12 · Geography
Summary of Study and Interpretation of Topographical Maps for ICSE Class 12 Geography. Part of the ICSE Class 12 Geography syllabus.
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Overview
Topographical maps are large-scale maps that show a small area in great detail. They present natural features such as relief, drainage, vegetation and climate, along with human features such as settlements, roads, railways, canals and other means of transport and communication. They are also called
Key Concepts
A topographical map shows the surface
A topographical map shows the surface of the earth in detail. It is a multi-purpose large-scale map of a small area and is also called a Topographical
Topographical maps are large scale maps
Topographical maps are large scale maps whose scale varies from 1:250,000 to 1:25,000. Larger scale maps show more detail over a smaller area.
The first attempt was made by
The first attempt was made by D'Anville in 1752. The Survey of India was established in 1767 when Major James Rennell was appointed the Surveyor Gener
The Survey of India is
The Survey of India is the government mapping organisation established in 1767. Its headquarters are at Dehra Dun, and it has regional offices at Delh
Important series include the Southern Asia
Important series include the Southern Asia Series, India and Adjacent Countries Series, International Series, World Aeronautical Charts, State Maps an
Learning Objectives
- Understand the meaning, nature and uses of topographical maps
- Learn the historical development of topographical mapping in India
- Recognise the main map series published by the Survey of India
- Understand the system of sheet numbering and scale classification
- Interpret conventional signs and colour conventions on topo-sheets
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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